diff --git a/ChangeLog b/ChangeLog
index 26f3243ae..a6698b685 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@
 
 	* Tools/gdomap.c: Fixes to last modifications - provided by
 	Chris B Vetter.
+	* Source/NSString.m: Fix memory allocation of a unichar buffer to
+	correct size.
 
 2001-05-04  Nicola Pero  <n.pero@mi.flashnet.it>
 
diff --git a/Source/NSString.m b/Source/NSString.m
index 6518195cb..48c8f9fc6 100644
--- a/Source/NSString.m
+++ b/Source/NSString.m
@@ -3118,7 +3118,7 @@ handle_printf_atsign (FILE *stream,
 	}
       else
 	{
-	  ustring = NSZoneMalloc(NSDefaultMallocZone(), length);
+	  ustring = NSZoneMalloc(NSDefaultMallocZone(), length*sizeof(unichar));
 	}
       end = &ustring[length];
       [self getCharacters: ustring];