diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 14af8cc..290fc62 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -4,6 +4,9 @@ set -ex
 
 base="$PWD"
 deps="$base/deps"
+export deps
+
+osmo-clean-workspace.sh
 
 mkdir "$deps" || true
 
@@ -13,3 +16,5 @@ osmo-deps.sh libosmocore
 cd "$base"
 $MAKE $PARALLEL_MAKE LIBOSMO_DIR="$deps/libosmocore"
 $MAKE $PARALLEL_MAKE LIBOSMO_DIR="$deps/libosmocore" check
+
+osmo-clean-workspace.sh