diff --git a/abi-test-suite/runtest.sh b/abi-test-suite/runtest.sh
index 09ba722..fa369b4 100755
--- a/abi-test-suite/runtest.sh
+++ b/abi-test-suite/runtest.sh
@@ -9,6 +9,7 @@ usage() {
 
 threads="1"
 testsuite_dir="/usr/share/llvm-test-suite/"
+compiler="clang"
 
 while [ $# -gt 0 ]; do
     case $1 in