diff --git a/sope-core/NGExtensions/NGQuotedPrintableCoding.m b/sope-core/NGExtensions/NGQuotedPrintableCoding.m
index c5b40ddd3..97dae7b55 100644
--- a/sope-core/NGExtensions/NGQuotedPrintableCoding.m
+++ b/sope-core/NGExtensions/NGQuotedPrintableCoding.m
@@ -109,13 +109,13 @@ - (NSData *)dataByEncodingQuotedPrintable {
 
   // length/64*3 should be plenty for soft newlines
   desLen = (length + length/64) *3;
-  des = NGMallocAtomic(sizeof(char) * desLen);
+  des = malloc(sizeof(char) * desLen);
 
   desLen = NGEncodeQuotedPrintable(bytes, length, des, desLen);
 
   if ((int)desLen == -1)
     {
-      NGFree(des);
+      free(des);
       return nil;
     }