diff --git a/bin/colout b/bin/colout
old mode 100644
new mode 100755
index 7702d17..ccea6ea
--- a/bin/colout
+++ b/bin/colout
@@ -8,4 +8,4 @@
 set -e
 set -u
 
-python3 -m colout.colout "$@"
+python -m colout.colout "$@"