diff --git a/client.c b/client.c
index 5437a2a2..68a32387 100644
--- a/client.c
+++ b/client.c
@@ -372,7 +372,8 @@ client_manage(Window w, XWindowAttributes *wa, awesome_config *awesomeconf)
 }
 
 void
-client_resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf, Bool sizehints)
+client_resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf,
+              Bool sizehints, Bool volatile_coords)
 {
     double dx, dy, max, min, ratio;
     XWindowChanges wc;
@@ -437,7 +438,9 @@ client_resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf
         c->y = wc.y = y;
         c->w = wc.width = w;
         c->h = wc.height = h;
-        if(c->isfloating || get_current_layout(awesomeconf->tags, awesomeconf->ntags)->arrange == layout_floating)
+        if(!volatile_coords
+           && (c->isfloating
+               || get_current_layout(awesomeconf->tags, awesomeconf->ntags)->arrange == layout_floating))
         {
             c->rx = c->x;
             c->ry = c->y;
@@ -710,7 +713,7 @@ uicb_moveresize(awesome_config *awesomeconf,
     oh = sel->h;
 
     Bool xqp = XQueryPointer(awesomeconf->display, RootWindow(awesomeconf->display, awesomeconf->phys_screen), &dummy, &dummy, &mx, &my, &dx, &dy, &dui);
-    client_resize(sel, nx, ny, nw, nh, awesomeconf, True);
+    client_resize(sel, nx, ny, nw, nh, awesomeconf, True, False);
     if (xqp && ox <= mx && (ox + ow) >= mx && oy <= my && (oy + oh) >= my)
     {
         nmx = mx - ox + sel->w - ow - 1 < 0 ? 0 : mx - ox + sel->w - ow - 1;
diff --git a/client.h b/client.h
index 4032bd1a..9f72e4de 100644
--- a/client.h
+++ b/client.h
@@ -31,7 +31,7 @@ void client_reattach_after(Client *, Client *);
 void client_ban(Client *);
 void focus(Client *, Bool, awesome_config *);
 void client_manage(Window, XWindowAttributes *, awesome_config *);
-void client_resize(Client *, int, int, int, int, awesome_config *, Bool);
+void client_resize(Client *, int, int, int, int, awesome_config *, Bool, Bool);
 void client_unban(Client *);
 void client_unmanage(Client *, long, awesome_config *);
 inline void updatesizehints(Client *);
diff --git a/config.mk b/config.mk
index 7ce645ef..e9a2a602 100644
--- a/config.mk
+++ b/config.mk
@@ -18,7 +18,7 @@ INCS = -I. -I/usr/include -I${X11INC} `pkg-config --cflags libconfuse xft cairo`
 LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 `pkg-config --libs libconfuse xft cairo` -lXext -lXrandr -lXinerama
 
 # flags
-CFLAGS = -fgnu89-inline -std=gnu99 -ggdb3 -pipe -Wall -Wextra -W -Wchar-subscripts -Wundef -Wshadow -Wcast-align -Wwrite-strings -Wsign-compare -Wunused -Wuninitialized -Winit-self -Wpointer-arith -Wredundant-decls -Wno-format-zero-length -Wmissing-prototypes -Wmissing-format-attribute -Wmissing-noreturn -O3 ${INCS} -DVERSION=\"${VERSION}\"
+CFLAGS = -fgnu89-inline -std=gnu99 -ggdb3 -pipe -Wall -Wextra -W -Wchar-subscripts -Wundef -Wshadow -Wcast-align -Wwrite-strings -Wsign-compare -Wunused -Wuninitialized -Winit-self -Wpointer-arith -Wredundant-decls -Wno-format-zero-length -Wmissing-prototypes -Wmissing-format-attribute -Wmissing-noreturn -O0 ${INCS} -DVERSION=\"${VERSION}\"
 LDFLAGS = -ggdb3 ${LIBS}
 
 # compiler and linker
diff --git a/event.c b/event.c
index 1bd14abe..7f2b628b 100644
--- a/event.c
+++ b/event.c
@@ -86,7 +86,7 @@ movemouse(Client * c, awesome_config *awesomeconf)
                 ny = si[c->screen].y_org;
             else if(abs((si[c->screen].y_org + si[c->screen].height) - (ny + c->h + 2 * c->border)) < awesomeconf[c->screen].snap)
                 ny = si[c->screen].y_org + si[c->screen].height - c->h - 2 * c->border;
-            client_resize(c, nx, ny, c->w, c->h, &awesomeconf[c->screen], False);
+            client_resize(c, nx, ny, c->w, c->h, &awesomeconf[c->screen], False, False);
             break;
         }
     }
@@ -131,7 +131,7 @@ resizemouse(Client * c, awesome_config *awesomeconf)
                 nw = 1;
             if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
                 nh = 1;
-            client_resize(c, c->x, c->y, nw, nh, &awesomeconf[c->screen], True);
+            client_resize(c, c->x, c->y, nw, nh, &awesomeconf[c->screen], True, False);
             break;
         }
     }
diff --git a/layout.c b/layout.c
index a4910e5c..5fed912d 100644
--- a/layout.c
+++ b/layout.c
@@ -240,14 +240,10 @@ maximize(int x, int y, int w, int h, awesome_config *awesomeconf)
     {
         sel->wasfloating = sel->isfloating;
         sel->isfloating = True;
-        sel->rx = sel->x;
-        sel->ry = sel->y;
-        sel->rw = sel->w;
-        sel->rh = sel->h;
-        client_resize(sel, x, y, w, h, awesomeconf, True);
+        client_resize(sel, x, y, w, h, awesomeconf, True, True);
     }
     else if(sel->wasfloating)
-        client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, awesomeconf, True);
+        client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, awesomeconf, True, False);
     else
         sel->isfloating = False;
 
diff --git a/layouts/floating.c b/layouts/floating.c
index 293ce345..054629c5 100644
--- a/layouts/floating.c
+++ b/layouts/floating.c
@@ -29,6 +29,6 @@ layout_floating(awesome_config *awesomeconf)
 
     for(c = *awesomeconf->clients; c; c = c->next)
         if(isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
-            client_resize(c, c->rx, c->ry, c->rw, c->rh, awesomeconf, True);
+            client_resize(c, c->rx, c->ry, c->rw, c->rh, awesomeconf, True, False);
 }
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
diff --git a/layouts/max.c b/layouts/max.c
index f955160a..0abb001d 100644
--- a/layouts/max.c
+++ b/layouts/max.c
@@ -34,7 +34,7 @@ layout_max(awesome_config *awesomeconf)
         if(IS_TILED(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags))
             client_resize(c, si[awesomeconf->screen].x_org, si[awesomeconf->screen].y_org,
                    si[awesomeconf->screen].width - 2 * c->border,
-                   si[awesomeconf->screen].height - 2 * c->border, awesomeconf, awesomeconf->resize_hints);
+                   si[awesomeconf->screen].height - 2 * c->border, awesomeconf, awesomeconf->resize_hints, False);
     p_delete(&si);
 }
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
diff --git a/layouts/tile.c b/layouts/tile.c
index 0e9ac450..24560777 100644
--- a/layouts/tile.c
+++ b/layouts/tile.c
@@ -138,7 +138,7 @@ _tile(awesome_config *awesomeconf, const Bool right)
         {                       /* master */
             ny = way + i * mh;
             nx = wax + (right ? 0 : waw - mw);
-            client_resize(c, nx, ny, mw - 2 * c->border, mh - 2 * c->border, awesomeconf, awesomeconf->resize_hints);
+            client_resize(c, nx, ny, mw - 2 * c->border, mh - 2 * c->border, awesomeconf, awesomeconf->resize_hints, False);
         }
         else
         {                       /* tile window */
@@ -164,7 +164,7 @@ _tile(awesome_config *awesomeconf, const Bool right)
                 ny = way + ((i - awesomeconf->nmaster) % win_by_col) * (nh + 2 * c->border);
 
             nx = wax + current_col * (nw + 2 * c->border) + (right ? mw : 0);
-            client_resize(c, nx, ny, nw, nh, awesomeconf, awesomeconf->resize_hints);
+            client_resize(c, nx, ny, nw, nh, awesomeconf, awesomeconf->resize_hints, False);
         }
         i++;
     }
diff --git a/screen.c b/screen.c
index 74080465..29bfef20 100644
--- a/screen.c
+++ b/screen.c
@@ -183,7 +183,7 @@ move_client_to_screen(Client *c, awesome_config *acf_new, Bool doresize)
         if(c->ry + c->rh >= si[c->screen].y_org + si[c->screen].height)
             c->ry = si[c->screen].y_org + si[c->screen].height - c->rh - 2 * c->border;
 
-        client_resize(c, c->rx, c->ry, c->rw, c->rh, acf_new, True);
+        client_resize(c, c->rx, c->ry, c->rw, c->rh, acf_new, True, False);
 
         p_delete(&si);
         p_delete(&si_old);
diff --git a/tag.c b/tag.c
index 8b8eb894..b2ee623a 100644
--- a/tag.c
+++ b/tag.c
@@ -177,7 +177,7 @@ uicb_togglefloating(awesome_config * awesomeconf,
 
     sel->isfloating = !sel->isfloating;
 
-    client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, awesomeconf, True);
+    client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, awesomeconf, True, False);
 
     client_untab(sel);
     saveprops(sel, awesomeconf->ntags);