diff --git a/AFNetworking/AFImageRequestOperation.m b/AFNetworking/AFImageRequestOperation.m
index 064571a..c39c149 100644
--- a/AFNetworking/AFImageRequestOperation.m
+++ b/AFNetworking/AFImageRequestOperation.m
@@ -33,6 +33,8 @@ static dispatch_queue_t image_request_operation_processing_queue() {
 }
 
 #if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+#import <CoreGraphics/CoreGraphics.h>
+
 static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *response, NSData *data, CGFloat scale) {
     if (!data || [data length] == 0) {
         return nil;