diff --git a/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp b/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
index 2892c3c0..5159783b 100644
--- a/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
+++ b/src/main/webapp/WEB-INF/views/web/input/projectInfo.jsp
@@ -656,9 +656,9 @@
 		
 		
 
-		if (document.getElementById("PROJECT_MASTER_COMPANY_O_CODE").selectedIndex == 0) {
+		if (document.getElementById("PROJECT_MASTER_COMPANY_O_CODE").value == "00") {
 			document.getElementById("PROJECT_MASTER_COMPANY_NAME").disabled = true; //신규등록 발주처 선택시 입력창 비활성화
-		} else if (document.getElementById("PROJECT_MASTER_COMPANY_O_CODE").selectedIndex == 4) { //직접입력
+		} else if (document.getElementById("PROJECT_MASTER_COMPANY_O_CODE").value == "06") { //직접입력
 			document.getElementById("PROJECT_MASTER_COMPANY_NAME").disabled = false;// 발주처 셀렉트 박스 선택시 입력창 비활성화
 			$("select[id='PROJECT_MASTER_COMPANY_TW_CODE'] option").remove();
 		} else {