diff --git a/src/nano.c b/src/nano.c
index f0dce09cc2e54e2541c0c52f64f64722f418477a..6f455296f90e91d50ed2195f45a5b940ce424faf 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -2409,6 +2409,7 @@ void justify_format(filestruct *line, size_t skip)
     }
 
     back--;
+
     assert(*back == '\0' && *front == '\0');
 
     /* Now back is the new end of line->data. */