1 files changed, 1 insertions, 1 deletions
diff --git a/virtual-programs/images.folk b/virtual-programs/images.folk
index ee3988ea..e9807b85 100644
--- a/virtual-programs/images.folk
+++ b/virtual-programs/images.folk
@@ -64,7 +64,7 @@ namespace eval ::image {
                     image[i][j * 3 + 2] = data[(i * width + j) * 3 + 2];
                 }
             }
-        }
+        } else { exit(1); }
 
       struct jpeg_compress_struct compress;
       struct jpeg_error_mgr error;