diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index cba90a9e72..edf18fd0f2 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -3021,8 +3021,9 @@ check_stack_depth(void)
 		ereport(ERROR,
 				(errcode(ERRCODE_STATEMENT_TOO_COMPLEX),
 				 errmsg("stack depth limit exceeded"),
-		 errhint("Increase the configuration parameter \"max_stack_depth\", "
-		   "after ensuring the platform's stack depth limit is adequate.")));
+				 errhint("Increase the configuration parameter \"max_stack_depth\" (currently %dkB), "
+						 "after ensuring the platform's stack depth limit is adequate.",
+						 max_stack_depth)));
 	}
 }