diff --git a/client.c b/client.c
index 35fc7968..4f859880 100644
--- a/client.c
+++ b/client.c
@@ -310,6 +310,8 @@ client_manage(Window w, XWindowAttributes *wa, int screen)
     Rule *rule;
     int phys_screen = get_phys_screen(screen);
 
+    area = get_screen_area(screen, NULL, NULL);
+
     c = p_new(Client, 1);
 
     c->win = w;
@@ -337,7 +339,6 @@ client_manage(Window w, XWindowAttributes *wa, int screen)
     if(!client_loadprops(c, screen))
         tag_client_with_rules(c);
 
-    area = get_screen_area(screen, NULL, NULL);
 
     /* if window request fullscreen mode */
     if(c->w == area.width && c->h == area.height)
diff --git a/draw.c b/draw.c
index 9368125c..251a8e85 100644
--- a/draw.c
+++ b/draw.c
@@ -245,6 +245,8 @@ draw_get_image_size(const char *filename)
 
     surface = cairo_image_surface_create_from_png(filename);
     cairo_image_surface_get_width(surface);
+    size.x = 0;
+    size.y = 0;
     size.width = cairo_image_surface_get_width(surface);
     size.height = cairo_image_surface_get_height(surface);
     cairo_surface_destroy(surface);
diff --git a/mouse.c b/mouse.c
index 616b04e7..a00cc93a 100644
--- a/mouse.c
+++ b/mouse.c
@@ -122,11 +122,11 @@ uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
 void
 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 {
-    int ocx, ocy, nw, nh, n;
+    int ocx = 0, ocy = 0, nw, nh, n;
     XEvent ev;
     Client *c = globalconf.focus->client;
     Tag **curtags = get_current_tags(screen);
-    Area area;
+    Area area = { 0, 0, 0, 0 };
     double mwfact;
 
     /* only handle floating and tiled layouts */