diff --git a/ChangeLog b/ChangeLog
index edbf1dd63..7547942b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-17  Chia-I Wu  <b90201047@ntu.edu.tw>
+
+	* src/truetype/ttinterp.c (Update_Max): Set current size of buffer
+	correctly (so that memory debug system won't panic).
+
 2005-12-16  Chia-I Wu  <b90201047@ntu.edu.tw>
 
 	* include/freetype/internal/ftobjs.h (ft_glyphslot_grid_fit_metrics),
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 6cd9ffca9..a6b55b961 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -519,7 +519,7 @@
 
     if ( *size < new_max )
     {
-      if ( FT_REALLOC( *buff, *size, new_max * multiplier ) )
+      if ( FT_REALLOC( *buff, *size * multiplier, new_max * multiplier ) )
         return error;
       *size = new_max;
     }