diff --git a/do_cmake.sh b/do_cmake.sh
index 182b7b1a9fb..cc68e560ade 100755
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -x
+set -ex
 
 git submodule update --init --recursive