diff --git a/src/option.c b/src/option.c
index fdca36f..ae3c539 100644
--- a/src/option.c
+++ b/src/option.c
@@ -8133,7 +8133,7 @@
 	    ml_open_files();
     }
 #ifdef FEAT_CONCEAL
-    else if (pp == (long *)&curwin->w_p_conceal)
+    else if (pp == &curwin->w_p_conceal)
     {
 	if (curwin->w_p_conceal < 0)
 	{