diff --git a/src/interfaces/libpq/.gitignore b/src/interfaces/libpq/.gitignore
index 2758e009f1..cb96af7176 100644
--- a/src/interfaces/libpq/.gitignore
+++ b/src/interfaces/libpq/.gitignore
@@ -12,8 +12,10 @@
 /snprintf.c
 /strerror.c
 /strlcpy.c
+/system.c
 /thread.c
 /win32error.c
+/win32setlocale.c
 /pgsleep.c
 /md5.c
 /ip.c