diff --git a/helpers/llvm-runlit b/helpers/llvm-runlit
index 32143fb..9843174 100755
--- a/helpers/llvm-runlit
+++ b/helpers/llvm-runlit
@@ -2,6 +2,10 @@
 
 # Helper script for running a single LIT test inside the build tree.
 
+. llvm-common
+
+safe_run verify_env
+
 if [[ $1 = '' ]]; then
   echo "Syntax: $0 test-dir"
   exit -1