diff --git a/gdk/gdktexture.c b/gdk/gdktexture.c
index 007901ffe8..41cb8ea11a 100644
--- a/gdk/gdktexture.c
+++ b/gdk/gdktexture.c
@@ -395,7 +395,7 @@ gdk_texture_new_for_pixbuf (GdkPixbuf *pixbuf)
 
   bytes = g_bytes_new_with_free_func (gdk_pixbuf_get_pixels (pixbuf),
                                       gdk_pixbuf_get_height (pixbuf)
-                                      * gdk_pixbuf_get_rowstride (pixbuf),
+                                      * (gsize) gdk_pixbuf_get_rowstride (pixbuf),
                                       g_object_unref,
                                       g_object_ref (pixbuf));
   texture = gdk_memory_texture_new (gdk_pixbuf_get_width (pixbuf),
diff --git a/gtk/gdkpixbufutils.c b/gtk/gdkpixbufutils.c
index 6b29128376..8d049311ac 100644
--- a/gtk/gdkpixbufutils.c
+++ b/gtk/gdkpixbufutils.c
@@ -284,7 +284,8 @@ extract_plane (GdkPixbuf *src,
                int        to_plane)
 {
   guchar *src_data, *dst_data;
-  int width, height, src_stride, dst_stride;
+  int width, height;
+  gsize src_stride, dst_stride;
   guchar *src_row, *dst_row;
   int x, y;