--- gambas3-3.8.4/gb.gtk/src/gtools.cpp.orig	2016-02-12 15:16:14.351635764 -0500
+++ gambas3-3.8.4/gb.gtk/src/gtools.cpp	2016-02-12 15:17:00.881908971 -0500
@@ -1853,7 +1853,7 @@ cairo_surface_t *gt_cairo_create_surface
 		format = CAIRO_FORMAT_ARGB32;
 
 	cairo_stride = cairo_format_stride_for_width (format, width);
-	cairo_pixels = (uchar *)g_malloc (height * cairo_stride);
+	cairo_pixels = (uchar *)g_malloc_n (height, cairo_stride);
 	surface = cairo_image_surface_create_for_data ((unsigned char *)cairo_pixels,
 																								format,
 																								width, height, cairo_stride);