diff --git a/src/nano.c b/src/nano.c
index 66497c7b..cd7b8e96 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -221,8 +221,8 @@ partition *partition_filestruct(filestruct *top, size_t top_x,
     null_at(&bot->data, bot_x);
 
     /* Remove all text before top_x at the top of the partition. */
-    charmove(top->data, top->data + top_x, strlen(top->data) - top_x +
-	1);
+    charmove(top->data, top->data + top_x, strlen(top->data) -
+	top_x + 1);
     align(&top->data);
 
     /* Return the partition. */