diff --git a/src/resolvers.c b/src/resolvers.c
index e7a2516..b51aaa2 100644
--- a/src/resolvers.c
+++ b/src/resolvers.c
@@ -1690,8 +1690,8 @@
 		dn[i+1] = str[i];
 	}
 	dn[offset] = i - offset;
-	dn[i] = '\0';
-	return i;
+	dn[i+1] = '\0';
+	return i+1;
 }
 
 /* Validates host name: