Index: src/OFTimer.m
==================================================================
--- src/OFTimer.m
+++ src/OFTimer.m
@@ -390,11 +390,11 @@
 		    initWithTimeIntervalSinceNow: interval];
 		[old release];
 
 		[[OFRunLoop currentRunLoop] addTimer: self];
 	} else
-		isValid = NO;
+		[self invalidate];
 }
 
 - (OFDate*)fireDate
 {
 	OF_GETTER(fireDate, YES)
@@ -422,10 +422,13 @@
 }
 
 - (void)invalidate
 {
 	isValid = NO;
+
+	[target release];
+	target = nil;
 }
 
 - (BOOL)isValid
 {
 	return isValid;