diff --git a/tests/gc-external-daemon.sh b/tests/gc-external-daemon.sh
index 2aec36e02..5369a7d18 100644
--- a/tests/gc-external-daemon.sh
+++ b/tests/gc-external-daemon.sh
@@ -33,7 +33,7 @@ killGcDaemon() {
 
 startGcDaemon
 
-bash ./gc.sh
-bash ./gc-concurrent.sh
-bash ./gc-runtime.sh
-bash ./gc-auto.sh
+source ./gc.sh
+source ./gc-concurrent.sh
+source ./gc-runtime.sh
+source ./gc-auto.sh