diff --git a/cocos2d-ui/CCBReader/CCBReader.m b/cocos2d-ui/CCBReader/CCBReader.m
index bb8b6c31a7c..78d4d792e2d 100644
--- a/cocos2d-ui/CCBReader/CCBReader.m
+++ b/cocos2d-ui/CCBReader/CCBReader.m
@@ -172,7 +172,7 @@ static inline unsigned int readVariableLengthIntFromArray(const uint8_t* buffer,
     
 done:
     *value = result;
-    return ptr - buffer;
+    return (unsigned int) (ptr - buffer);
 }
 
 
diff --git a/external/ObjectAL/Actions/OALUtilityActions.m b/external/ObjectAL/Actions/OALUtilityActions.m
index 801d1588261..2f66e3ad9d1 100644
--- a/external/ObjectAL/Actions/OALUtilityActions.m
+++ b/external/ObjectAL/Actions/OALUtilityActions.m
@@ -206,7 +206,8 @@ - (void) prepareWithTarget:(id) target
 	if(0 == duration_)
 	{
 		// Easy case: 0 duration.
-		for(OALAction* action in actions_)
+        NSUInteger actionsCount = [actions_ count];
+        for (NSUInteger loop = 0 ; loop < actionsCount ; ++loop)
 		{
 			[pDurations_ addObject:[NSNumber numberWithFloat:0]];
 		}