diff --git a/core/run-tests.sh b/core/run-tests.sh
index 5e817e54b..f7e4de3df 100755
--- a/core/run-tests.sh
+++ b/core/run-tests.sh
@@ -2,7 +2,7 @@
 
 cd "$(dirname "${BASH_SOURCE[0]}")"
 
-source ./builder-alias.sh
+source ./build/builder-alias.sh
 
 set -ea
 shopt -s expand_aliases