diff --git a/headscale-auto-register.sh b/headscale-auto-register.sh
index 4857657..ac11cce 100755
--- a/headscale-auto-register.sh
+++ b/headscale-auto-register.sh
@@ -560,8 +560,8 @@ EOF
         -H "Content-Type: application/json" \
         -d "$JSON_DATA")
 
-    # 성공 여부 먼저 확인
-    if ! echo "$RESPONSE" | grep -q '"success":true'; then
+    # 성공 여부 먼저 확인 (공백/줄바꿈 허용)
+    if ! echo "$RESPONSE" | grep -q '"success"' || ! echo "$RESPONSE" | grep -q 'true'; then
         echo -e "${RED}✗ 약국 생성 API 실패${NC}"
         echo -e "${YELLOW}[응답 내용]${NC}"
         echo "$RESPONSE"