diff --git a/awesome.c b/awesome.c
index 046b08b4..7a7cdd2d 100644
--- a/awesome.c
+++ b/awesome.c
@@ -38,6 +38,7 @@
 #include "dbus.h"
 #include "systray.h"
 #include "event.h"
+#include "screen.h"
 #include "common/version.h"
 #include "common/atoms.h"
 #include "config.h"
@@ -170,8 +171,7 @@ scan(void)
                                                                   *(geom_wins[i]), NULL)))
                 continue;
 
-            screen = screen_get_bycoord(globalconf.screens_info, phys_screen,
-                                        geom_r->x, geom_r->y);
+            screen = screen_getbycoord(phys_screen, geom_r->x, geom_r->y);
 
             client_manage(wins[i], geom_r, phys_screen, screen);
 
diff --git a/client.c b/client.c
index e414e639..0ec69f89 100644
--- a/client.c
+++ b/client.c
@@ -420,7 +420,7 @@ client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int phys_screen,
 
     c = p_new(client_t, 1);
 
-    c->screen = screen_get_bycoord(globalconf.screens_info, screen, wgeom->x, wgeom->y);
+    c->screen = screen_getbycoord(screen, wgeom->x, wgeom->y);
 
     c->phys_screen = phys_screen;
 
@@ -567,8 +567,7 @@ client_resize(client_t *c, area_t geometry, bool hints)
                       || c->geometry.width != geometry.width
                       || c->geometry.height != geometry.height)))
     {
-        new_screen =
-            screen_get_bycoord(globalconf.screens_info, c->screen, geometry.x, geometry.y);
+        new_screen = screen_getbycoord(c->screen, geometry.x, geometry.y);
 
         c->geometry.x = values[0] = geometry.x;
         c->geometry.width = values[2] = geometry.width;
diff --git a/common/xscreen.c b/common/xscreen.c
index 48a38ec2..5bb67dcf 100644
--- a/common/xscreen.c
+++ b/common/xscreen.c
@@ -25,30 +25,6 @@
 #include "common/xscreen.h"
 #include "common/xutil.h"
 
-/** Return the Xinerama screen number where the coordinates belongs to.
- * \param si The screens infos structure.
- * \param screen The logical screen number.
- * \param x X coordinate
- * \param y Y coordinate
- * \return Screen number or screen param if no match or no multi-head.
- */
-int
-screen_get_bycoord(screens_info_t *si, int screen, int x, int y)
-{
-    int i;
-
-    /* don't waste our time */
-    if(!si->xinerama_is_active)
-        return screen;
-
-    for(i = 0; i < si->nscreen; i++)
-        if((x < 0 || (x >= si->geometry[i].x && x < si->geometry[i].x + si->geometry[i].width))
-           && (y < 0 || (y >= si->geometry[i].y && y < si->geometry[i].y + si->geometry[i].height)))
-            return i;
-
-    return screen;
-}
-
 static inline area_t
 screen_xsitoarea(xcb_xinerama_screen_info_t si)
 {
diff --git a/common/xscreen.h b/common/xscreen.h
index b5445773..2e6d83d1 100644
--- a/common/xscreen.h
+++ b/common/xscreen.h
@@ -31,7 +31,6 @@ typedef struct
     area_t *geometry;
 } screens_info_t;
 
-int screen_get_bycoord(screens_info_t *, int, int, int);
 void screensinfo_delete(screens_info_t **);
 screens_info_t * screensinfo_new(xcb_connection_t *);
 
diff --git a/event.c b/event.c
index 107b7dd5..40c17929 100644
--- a/event.c
+++ b/event.c
@@ -38,6 +38,7 @@
 #include "lua.h"
 #include "systray.h"
 #include "statusbar.h"
+#include "screen.h"
 #include "layouts/floating.h"
 #include "common/atoms.h"
 
@@ -610,8 +611,7 @@ event_handle_maprequest(void *data __attribute__ ((unused)),
 
         if(globalconf.screens_info->xinerama_is_active
            && (qp_r = xcb_query_pointer_reply(connection, qp_c, NULL)))
-            screen = screen_get_bycoord(globalconf.screens_info, screen,
-                                        qp_r->root_x, qp_r->root_y);
+            screen = screen_getbycoord(screen, qp_r->root_x, qp_r->root_y);
         else
             screen = phys_screen;
 
diff --git a/mouse.c b/mouse.c
index 8a279774..a556a590 100644
--- a/mouse.c
+++ b/mouse.c
@@ -540,8 +540,7 @@ mouse_client_move(client_t *c, int snap, bool infobox)
             client_t *target;
 
             /* client moved to another screen? */
-            newscreen = screen_get_bycoord(globalconf.screens_info, c->screen,
-                                           mouse_x, mouse_y);
+            newscreen = screen_getbycoord(c->screen, mouse_x, mouse_y);
             if(newscreen != c->screen)
             {
                 screen_client_moveto(c, newscreen, true);
@@ -1188,7 +1187,7 @@ luaA_mouse_index(lua_State *L)
         if(!mouse_query_pointer_root(&screen, &mouse_x, &mouse_y, NULL))
             return 0;
 
-        i = screen_get_bycoord(globalconf.screens_info, screen, mouse_x, mouse_y);
+        i = screen_getbycoord(screen, mouse_x, mouse_y);
 
         lua_pushnumber(L, i + 1);
         break;
diff --git a/screen.c b/screen.c
index 01a9e23d..53b4d2a4 100644
--- a/screen.c
+++ b/screen.c
@@ -32,6 +32,30 @@
 
 extern awesome_t globalconf;
 
+/** Return the Xinerama screen number where the coordinates belongs to.
+ * \param screen The logical screen number.
+ * \param x X coordinate
+ * \param y Y coordinate
+ * \return Screen number or screen param if no match or no multi-head.
+ */
+int
+screen_getbycoord(int screen, int x, int y)
+{
+    int i;
+    screens_info_t *si = globalconf.screens_info;
+
+    /* don't waste our time */
+    if(!si->xinerama_is_active)
+        return screen;
+
+    for(i = 0; i < si->nscreen; i++)
+        if((x < 0 || (x >= si->geometry[i].x && x < si->geometry[i].x + si->geometry[i].width))
+           && (y < 0 || (y >= si->geometry[i].y && y < si->geometry[i].y + si->geometry[i].height)))
+            return i;
+
+    return screen;
+}
+
 /** Get screens info.
  * \param screen Screen number.
  * \param statusbar Statusbar list to remove.
diff --git a/screen.h b/screen.h
index 6c24aec8..6883f1af 100644
--- a/screen.h
+++ b/screen.h
@@ -26,6 +26,7 @@
 
 #define SCREEN_UNDEF    (-1)
 
+int screen_getbycoord(int, int, int);
 area_t screen_area_get(int, statusbar_t *, padding_t *, bool);
 area_t display_area_get(int, statusbar_t *, padding_t *);
 int screen_virttophys(int);