1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/pginclude/pgcheckdefines b/src/tools/pginclude/pgcheckdefines
index a9fe79ebe58..68aa5d178e8 100755
--- a/src/tools/pginclude/pgcheckdefines
+++ b/src/tools/pginclude/pgcheckdefines
@@ -23,7 +23,7 @@
 #
 
 use strict;
-use warnings;
+use warnings FATAL => 'all';
 
 use Cwd;
 use File::Basename;