Index: libs/gtkmm2ext/fastmeter.cc
===================================================================
--- libs/gtkmm2ext/fastmeter.cc	(revision 3134)
+++ libs/gtkmm2ext/fastmeter.cc	(working copy)
@@ -517,7 +517,7 @@
 		rect.height = pixrect.height - rect.height;
 	}
 
-	GdkRegion* region;
+	GdkRegion* region = 0;
 	bool queue = false;
 
 	if (rect.height != 0) {
@@ -544,6 +544,10 @@
 	if (queue) {
 		gdk_window_invalidate_region (win->gobj(), region, true);
 	}
+	if (region) {
+		gdk_region_destroy(region);
+		region = 0;
+	}
 }
 
 void