diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 2280fcf..11894f6 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -3221,7 +3221,7 @@
 	    p = vim_strchr(eap->nextcmd, NL);
 	    if (p == NULL)
 		p = eap->nextcmd + STRLEN(eap->nextcmd);
-	    theline = vim_strnsave(eap->nextcmd, (int)(p - eap->nextcmd));
+	    theline = vim_strnsave(eap->nextcmd, p - eap->nextcmd);
 	    if (*p != NUL)
 		++p;
 	    eap->nextcmd = p;