diff --git a/headscale-auto-register.sh b/headscale-auto-register.sh
index ad0d392..704dfe6 100755
--- a/headscale-auto-register.sh
+++ b/headscale-auto-register.sh
@@ -568,7 +568,7 @@ EOF
     fi
 
     # pharmacy_code 추출 (pharmacy 객체 내부)
-    PHARMACY_CODE=$(echo "$RESPONSE" | grep -oP '"pharmacy_code":"\K[^"]+' | head -1)
+    PHARMACY_CODE=$(echo "$RESPONSE" | grep -oP '"pharmacy_code":"[^"]+' | cut -d'"' -f4 | head -1)
 
     if [ -z "$PHARMACY_CODE" ]; then
         echo -e "${RED}✗ pharmacy_code 추출 실패${NC}"