diff --git a/pr_testing/test_multiple_prs.sh b/pr_testing/test_multiple_prs.sh
index 206ef2a60cd..8c671980c98 100755
--- a/pr_testing/test_multiple_prs.sh
+++ b/pr_testing/test_multiple_prs.sh
@@ -1121,7 +1121,7 @@ rm -f $WORKSPACE/deprecated-warnings.log
 get_compilation_warnings $WORKSPACE/build.log > $WORKSPACE/all-warnings.log
 
 git diff --name-only $CMSSW_VERSION > $WORKSPACE/changed-files
-pushd $WORKSPACE
+pushd ..
 scram b echo_SCRAM_TOOL_HOME
 test -e config/SCRAM/findDependencies.py
 SCRAM_TOOL_HOME=`scram b echo_SCRAM_TOOL_HOME 2>/dev/null | tail -1 | cut -d' ' -f3`