diff --git a/OctoKit/RACSignal+OCTClientAdditions.m b/OctoKit/RACSignal+OCTClientAdditions.m
index 8d5e01f..4f9231d 100644
--- a/OctoKit/RACSignal+OCTClientAdditions.m
+++ b/OctoKit/RACSignal+OCTClientAdditions.m
@@ -13,7 +13,7 @@ @implementation RACSignal (OCTClientAdditions)
 
 - (RACSignal *)oct_parsedResults {
 	return [self map:^(OCTResponse *response) {
-		NSAssert([response isKindOfClass:OCTResponse.class], @"Expected %@ to be an OCTResponse.", response);
+		NSCAssert([response isKindOfClass:OCTResponse.class], @"Expected %@ to be an OCTResponse.", response);
 		return response.parsedResult;
 	}];
 }