diff --git a/src/cairo-gl-surface.c b/src/cairo-gl-surface.c
index 695b24504..6e605f421 100644
--- a/src/cairo-gl-surface.c
+++ b/src/cairo-gl-surface.c
@@ -1485,7 +1485,7 @@ _cairo_gl_surface_fill_rectangles (void			   *abstract_surface,
     glEnableClientState (GL_VERTEX_ARRAY);
     glColorPointer (4, GL_FLOAT, sizeof (GLfloat)*4, colors);
     glEnableClientState (GL_COLOR_ARRAY);
-    glDrawArrays (GL_TRIANGLE_FAN, 0, 4 * num_rects);
+    glDrawArrays (GL_QUADS, 0, 4 * num_rects);
 
     glDisableClientState (GL_COLOR_ARRAY);
     glDisableClientState (GL_VERTEX_ARRAY);