diff --git a/wand/pixel-iterator.c b/wand/pixel-iterator.c
index 0055cfb..4fcbb66 100644
--- a/wand/pixel-iterator.c
+++ b/wand/pixel-iterator.c
@@ -169,7 +169,7 @@
       iterator->name);
   (void) ResetMagickMemory(clone_iterator,0,sizeof(*clone_iterator));
   clone_iterator->id=AcquireWandId();
-  (void) FormatMagickString(clone_iterator->name,MaxTextExtent,"%s-%.20g",
+  (void) FormatLocaleString(clone_iterator->name,MaxTextExtent,"%s-%.20g",
     PixelIteratorId,(double) clone_iterator->id);
   clone_iterator->exception=AcquireExceptionInfo();
   InheritException(clone_iterator->exception,iterator->exception);
@@ -319,7 +319,7 @@
       GetExceptionMessage(errno));
   (void) ResetMagickMemory(iterator,0,sizeof(*iterator));
   iterator->id=AcquireWandId();
-  (void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%.20g",
+  (void) FormatLocaleString(iterator->name,MaxTextExtent,"%s-%.20g",
     PixelIteratorId,(double) iterator->id);
   iterator->exception=AcquireExceptionInfo();
   iterator->view=view;
@@ -434,7 +434,7 @@
       wand->name);
   (void) ResetMagickMemory(iterator,0,sizeof(*iterator));
   iterator->id=AcquireWandId();
-  (void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%.20g",
+  (void) FormatLocaleString(iterator->name,MaxTextExtent,"%s-%.20g",
     PixelIteratorId,(double) iterator->id);
   iterator->exception=AcquireExceptionInfo();
   iterator->view=view;