diff --git a/test/test_rule_graph.sh b/test/test_rule_graph.sh
index 66ca559eaa4c32d6e004d25ab157b67eb027cc32..b0e475b0dc5dce3fe7e5ed0cf84c62a338738f3c 100755
--- a/test/test_rule_graph.sh
+++ b/test/test_rule_graph.sh
@@ -24,4 +24,4 @@ snakemake \
     --printshellcmds \
     --dryrun \
     --verbose \
-    | dot -Tsvg > "../images/rule_graph_.svg"
+    | dot -Tsvg > "../images/rule_graph.svg"