diff --git a/src/compiler/glsl/glcpp/tests/glcpp-test.sh b/src/compiler/glsl/glcpp/tests/glcpp-test.sh
index 474e8ef5307..d98c408f739 100755
--- a/src/compiler/glsl/glcpp/tests/glcpp-test.sh
+++ b/src/compiler/glsl/glcpp/tests/glcpp-test.sh
@@ -85,6 +85,11 @@ for test in $testdir/*.c; do
     fi
 done
 
+if [ $total -eq 0 ]; then
+    echo "Could not find any tests."
+    exit 1
+fi
+
 echo ""
 echo "$pass/$total tests returned correct results"
 echo ""