diff --git a/all.do b/all.do
index 7e825fc..e3c41ea 100644
--- a/all.do
+++ b/all.do
@@ -1,4 +1,4 @@
 #!/bin/sh
 for file in $(ls *.svg); do
-  redo "$(basename $file .svg)".png
+  redo-ifchange "$(basename $file .svg)".png
 done;
\ No newline at end of file