diff --git a/src/libImaging/Geometry.c b/src/libImaging/Geometry.c
index 2f494b85a1a..d0870165b50 100644
--- a/src/libImaging/Geometry.c
+++ b/src/libImaging/Geometry.c
@@ -716,6 +716,8 @@ getfilter(Imaging im, ImagingResamplingType filterid) {
                 }
             }
             break;
+        default:
+            break;
     }
     /* no such filter */
     return NULL;