diff --git a/src/demo/mojibake.c b/src/demo/mojibake.c
index f7cb80a28..df345aa7a 100644
--- a/src/demo/mojibake.c
+++ b/src/demo/mojibake.c
@@ -3537,7 +3537,7 @@ makegroup(struct ncplane* title, int y, const char* emoji, const char* name){
     }
     emoji += bytes;
     x += w;
-    if(x >= planewidth - 2){
+    if(x >= planewidth - 10){ // leave some wiggle room for wcwdith() problems
       ++y;
       x = 1;
     }