--- a/src/tools/pgindent/exclude_file_patterns
+++ b/src/tools/pgindent/exclude_file_patterns
@@ -5,6 +5,8 @@
 /ecpg/test/expected/
 /snowball/libstemmer/
 /pl/plperl/ppport\.h$
+/pl/plperl/SPI\.c$
+/pl/plperl/Util\.c$
 /jit/llvmjit\.h$
 /utils/probes\.h$
 /tmp_check/