1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 9ef522a0..4c29c368 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,7 @@ clean:
 
 sterile: clean
 	-rm -rf .tox*
-	-docker image rm quay.io/pypa/manylinux1_i686 quay.io/pypa/manylinux1_x86_64
+	-docker image rm -f quay.io/pypa/manylinux1_i686 quay.io/pypa/manylinux1_x86_64
 
 
 LINTABLE = coverage tests igor.py setup.py __main__.py