diff --git a/server/spice_bitmap_utils.c b/server/spice_bitmap_utils.c
index 7b370a0c..aa7d71bd 100644
--- a/server/spice_bitmap_utils.c
+++ b/server/spice_bitmap_utils.c
@@ -95,6 +95,7 @@ void dump_bitmap(SpiceBitmap *bitmap)
         break;
     default:
         spice_error("invalid bitmap format  %u", bitmap->format);
+        return;
     }
 
     if (!rgb) {