diff --git a/src/tools/pgindent/pgindent b/src/tools/pgindent/pgindent
index 5a644aaa369df3ca832750d052e37cf79ebd698e..677a4869cc31cda11dc294c7109b2dcfaf1fb03e 100755
--- a/src/tools/pgindent/pgindent
+++ b/src/tools/pgindent/pgindent
@@ -51,8 +51,9 @@ do
 			    line1 !~ "^struct" &&
 			    line1 !~ "^enum" &&
 			    line1 !~ "^typedef" &&
-			    line1 !~ "\"C\"" &&
-			    line1 !~ "=" )
+			    line1 !~ "extern[ 	][ 	]*\"C\"" &&
+			    line1 !~ "=" &&
+			    line1 ~ ")")
 				print "int	pgindent_func_no_var_fix;";
 			line1 = line2;
 		}