diff --git a/magick/montage.c b/magick/montage.c
index 295207a..544a146 100644
--- a/magick/montage.c
+++ b/magick/montage.c
@@ -104,7 +104,7 @@
   MontageInfo
     *clone_info;
 
-  clone_info=(MontageInfo *) AcquireQuantumMemory(1,sizeof(*clone_info));
+  clone_info=(MontageInfo *) AcquireMagickMemory(sizeof(*clone_info));
   if (clone_info == (MontageInfo *) NULL)
     ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   GetMontageInfo(image_info,clone_info);