diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 0fbdc62844..17b9008906 100644
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -24,6 +24,7 @@
 
 #import "AFHTTPClient.h"
 #import "AFHTTPRequestOperation.h"
+#import "AFJSONRequestOperation.h"
 
 #import <Availability.h>
 
@@ -118,19 +119,7 @@ - (id)initWithStringEncoding:(NSStringEncoding)encoding;
 }
 
 static NSString * AFJSONStringFromParameters(NSDictionary *parameters) {
-    NSString *JSONString = nil;
-    
-#if USE_FOUNDATION_JSON
-    NSError *error = nil;
-    NSData *JSONData = [NSJSONSerialization dataWithJSONObject:parameters options:0 error:&error];
-    if (!error) {
-        JSONString = [[[NSString alloc] initWithData:JSONData encoding:NSUTF8StringEncoding] autorelease];
-    }
-#else
-    JSONString = [parameters JSONString];
-#endif
-
-    return JSONString;
+    return [AFNETWORKING_DEFAULT_JSON_OPERATION JSONStringWithDictionary:parameters];
 }
 
 static NSString * AFPropertyListStringFromParameters(NSDictionary *parameters) {
diff --git a/AFNetworking/AFJSONRequestOperation.h b/AFNetworking/AFJSONRequestOperation.h
index ae26b9ee01..ed4458f251 100644
--- a/AFNetworking/AFJSONRequestOperation.h
+++ b/AFNetworking/AFJSONRequestOperation.h
@@ -89,6 +89,8 @@
  */
 + (id)decodeJSONObjectWithData:(NSData *)data error:(NSError **)error;
 
++ (NSString *)JSONStringWithDictionary:(NSDictionary *)dictionary;
+
 @end
 
 #ifdef AF_INCLUDE_FOUNDATIONJSON
diff --git a/AFNetworking/AFJSONRequestOperation.m b/AFNetworking/AFJSONRequestOperation.m
index 72d398e7c3..1ede31934a 100644
--- a/AFNetworking/AFJSONRequestOperation.m
+++ b/AFNetworking/AFJSONRequestOperation.m
@@ -103,6 +103,11 @@ + (id) decodeJSONObjectWithData:(NSData *)data error:(NSError **)error {
     return nil;
 }
 
++ (NSString *)JSONStringWithDictionary:(NSDictionary *)dictionary {
+    [self doesNotRecognizeSelector: _cmd];
+    return nil;
+}
+
 - (id)responseJSON {
     return self.decodedResponse;
 }
@@ -138,6 +143,16 @@ + (id) decodeJSONObjectWithData:(NSData *)data error:(NSError **)error {
     }
 }
 
+
++ (NSString *)JSONStringWithDictionary:(NSDictionary *)dictionary {
+    NSError *error = nil;
+    NSData *JSONData = [NSJSONSerialization dataWithJSONObject:dictionary options:0 error:&error];
+    if (!error) {
+        return [[[NSString alloc] initWithData:JSONData encoding:NSUTF8StringEncoding] autorelease];
+    }
+    return nil;
+}
+
 @end
 #endif
 
@@ -154,6 +169,11 @@ + (id) decodeJSONObjectWithData:(NSData *)data error:(NSError **)error {
     }
 }
 
++ (NSString *)JSONStringWithDictionary:(NSDictionary *)dictionary {
+    return [dictionary JSONString];
+}
+
+
 @end
 #endif