diff --git a/src/gallium/drivers/panfrost/pan_format.c b/src/gallium/drivers/panfrost/pan_format.c
index fd9d0eb973d..b4fb38fefed 100644
--- a/src/gallium/drivers/panfrost/pan_format.c
+++ b/src/gallium/drivers/panfrost/pan_format.c
@@ -101,6 +101,7 @@ panfrost_translate_channel_width(unsigned size)
         default: {
                 fprintf(stderr, "Invalid width: %d\n", size);
                 assert(0);
+                return 0;
         }
         }
 }