diff --git a/scripts/github/prepare-integration.sh b/scripts/github/prepare-integration.sh
index 4ce3e55e25..f9f4bd0908 100755
--- a/scripts/github/prepare-integration.sh
+++ b/scripts/github/prepare-integration.sh
@@ -31,7 +31,7 @@ cat conf/st2.ci.conf || true
 echo ""
 
 # install st2 client
-if [ ! -x "${VIRTUALENV_DIR}/bin/st2" ]; then
+if [ ! -x "${VIRTUALENV_DIR}/bin/st2" ] || ! st2 --version >/dev/null 2>&1; then
     python ./st2client/setup.py develop
 fi
 st2 --version