diff --git a/SPLPing/SPLPing.m b/SPLPing/SPLPing.m
index 03df314..67cfc28 100644
--- a/SPLPing/SPLPing.m
+++ b/SPLPing/SPLPing.m
@@ -171,8 +171,13 @@ - (void)dealloc
 {
     [self stop];
 
-    CFRunLoopSourceInvalidate(_socketSource); CFRelease(_socketSource); _socketSource = nil;
-    CFRelease(_socket); _socket = nil;
+    CFRunLoopSourceInvalidate(_socketSource); 
+    CFRelease(_socketSource);
+    _socketSource = nil;
+    
+    CFSocketInvalidate(_socket);
+    CFRelease(_socket);
+    _socket = nil;
 }
 
 #pragma mark - Instance methods