diff --git a/src/evalfunc.c b/src/evalfunc.c
index 4b6bfaa..c7be082 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -11832,6 +11832,7 @@
 	    if (buf == NULL)
 	    {
 		EMSGN(_(e_nobufnr), argvars[1].vval.v_number);
+		fclose(fd);
 		goto errret;
 	    }