diff --git a/Libraries/Image/RCTImageStoreManager.mm b/Libraries/Image/RCTImageStoreManager.mm
index 60dc7cd091..e32fc573d1 100644
--- a/Libraries/Image/RCTImageStoreManager.mm
+++ b/Libraries/Image/RCTImageStoreManager.mm
@@ -178,6 +178,7 @@ RCT_EXPORT_METHOD(addImageFromBase64:(NSString *)base64String
                                                         MIMEType:MIMEType
                                            expectedContentLength:imageData.length
                                                 textEncodingName:nil];
+    CFRelease(UTI);
 
     [delegate URLRequest:cancellationBlock didReceiveResponse:response];
     [delegate URLRequest:cancellationBlock didReceiveData:imageData];