diff --git a/dmenu.c b/dmenu.c
index ae5f694..da66121 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -605,9 +605,9 @@ insert:
 	case XK_Tab:
 		if (!sel)
 			return;
-		strncpy(text, sel->text, sizeof text - 1);
+		cursor = strnlen(sel->text, sizeof text - 1);
+		memcpy(text, sel->text, cursor);
 		text[sizeof text - 1] = '\0';
-		cursor = strlen(text);
 		match();
 		break;
 	}