diff --git a/bin/wally-tool-chain-install.sh b/bin/wally-tool-chain-install.sh
index 3db0bb40f..55dcba9a3 100755
--- a/bin/wally-tool-chain-install.sh
+++ b/bin/wally-tool-chain-install.sh
@@ -70,9 +70,9 @@ echo "Installation path: $RISCV"
 
 # Install/update packages if root. Otherwise, check that packages are already installed.
 if [ "$ROOT" = true ]; then
-    ./wally-package-install.sh
+    source wally-package-install.sh
 else
-    ./wally-package-install.sh --check
+    source wally-package-install.sh --check
 fi
 
 if [ "$FAMILY" = rhel ]; then