diff --git a/ChangeLog b/ChangeLog
index 7fd5b00d8d..4f0d2cb54c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jun 26 23:11:14 2013  Kouhei Sutou  <kou@cozmixng.org>
+
+	* gc.c (is_before_sweep): Add a missing space before a parenthesis.
+	* gc.c (rb_gc_force_recycle): Add a missing space around a parenthesis.
+
 Wed Jun 26 22:44:00 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/intern.h (rb_enumeratorize_with_size): cast for
diff --git a/gc.c b/gc.c
index 1f4afb0f00..108f1f4d28 100644
--- a/gc.c
+++ b/gc.c
@@ -611,7 +611,7 @@ is_before_sweep(VALUE obj)
     if (is_lazy_sweeping(objspace)) {
 	slot = objspace->heap.sweep_slots;
 	while (slot) {
-	    if(slot->header == GET_HEAP_HEADER(obj))
+	    if (slot->header == GET_HEAP_HEADER(obj))
 		return TRUE;
 	    slot = slot->next;
 	}
@@ -3987,7 +3987,7 @@ rb_gc_force_recycle(VALUE p)
 #if USE_RGENGC
     CLEAR_IN_BITMAP(GET_HEAP_REMEMBERSET_BITS(p), p);
     CLEAR_IN_BITMAP(GET_HEAP_OLDGEN_BITS(p), p);
-    if(!is_before_sweep(p)){
+    if (!is_before_sweep(p)) {
 	CLEAR_IN_BITMAP(GET_HEAP_MARK_BITS(p), p);
     }
 #endif