1 files changed, 4 insertions, 2 deletions

diff --git a/src/dispnew.c b/src/dispnew.c
index 30e1706a720..fe132f1a0da 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -747,7 +747,8 @@ preserve_other_columns (w)
               int len;
 
               bcopy (current_frame->glyphs[vpos],
-                     desired_frame->glyphs[vpos], start);
+                     desired_frame->glyphs[vpos],
+                     start * sizeof (current_frame->glyphs[vpos]));
               len = min (start, current_frame->used[vpos]);
               if (desired_frame->used[vpos] < len)
                 desired_frame->used[vpos] = len;
@@ -760,7 +761,8 @@ preserve_other_columns (w)
                   = SPACEGLYPH;
               bcopy (current_frame->glyphs[vpos] + end,
                      desired_frame->glyphs[vpos] + end,
-                     current_frame->used[vpos] - end);
+                     ((current_frame->used[vpos] - end)
+                      * sizeof (current_frame->glyphs[vpos])));
               desired_frame->used[vpos] = current_frame->used[vpos];
             }
         }