diff --git a/NSTimer+Blocks.m b/NSTimer+Blocks.m
index 18eadc3..b7df0d8 100644
--- a/NSTimer+Blocks.m
+++ b/NSTimer+Blocks.m
@@ -11,12 +11,18 @@ @implementation NSTimer (Blocks)
 
 +(id)scheduledTimerWithTimeInterval:(NSTimeInterval)inTimeInterval block:(void (^)())inBlock repeats:(BOOL)inRepeats
 {
-    return [self scheduledTimerWithTimeInterval:inTimeInterval target:self selector:@selector(jdExecuteSimpleBlock:) userInfo:[inBlock copy] repeats:inRepeats];
+    void (^block)() = [inBlock copy];
+    id ret = [self scheduledTimerWithTimeInterval:inTimeInterval target:self selector:@selector(jdExecuteSimpleBlock:) userInfo:block repeats:inRepeats];
+    [block release];
+    return ret;
 }
 
 +(id)timerWithTimeInterval:(NSTimeInterval)inTimeInterval block:(void (^)())inBlock repeats:(BOOL)inRepeats
 {
-    return [self timerWithTimeInterval:inTimeInterval target:self selector:@selector(jdExecuteSimpleBlock:) userInfo:[inBlock copy] repeats:inRepeats];
+    void (^block)() = [inBlock copy];
+    id ret = [self timerWithTimeInterval:inTimeInterval target:self selector:@selector(jdExecuteSimpleBlock:) userInfo:block repeats:inRepeats];
+    [block release];
+    return ret;
 }
 
 +(void)jdExecuteSimpleBlock:(NSTimer *)inTimer;