diff --git a/magick/cache.c b/magick/cache.c
index e24de0c..62667e7 100644
--- a/magick/cache.c
+++ b/magick/cache.c
@@ -185,7 +185,7 @@
   CacheInfo
     *cache_info;
 
-  cache_info=(CacheInfo *) AcquireQuantumMemory(1,sizeof(*cache_info));
+  cache_info=(CacheInfo *) AcquireMagickMemory(sizeof(*cache_info));
   if (cache_info == (CacheInfo *) NULL)
     ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   (void) ResetMagickMemory(cache_info,0,sizeof(*cache_info));