diff --git a/ci_build.sh b/ci_build.sh
index 9c0aa923..b2ce28ee 100755
--- a/ci_build.sh
+++ b/ci_build.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -x
+
 if [ $BUILD_TYPE == "default" ]; then
     mkdir tmp
     BUILD_PREFIX=$PWD/tmp