diff --git a/src/tools/pgindent/exclude_file_patterns b/src/tools/pgindent/exclude_file_patterns
index 65c42c131d..c8efc9a913 100644
--- a/src/tools/pgindent/exclude_file_patterns
+++ b/src/tools/pgindent/exclude_file_patterns
@@ -6,3 +6,5 @@
 /snowball/libstemmer/
 /pl/plperl/ppport\.h$
 /jit/llvmjit\.h$
+/tmp_check/
+/tmp_install/