diff --git a/src/syntax/nginx.tmLanguage b/src/syntax/nginx.tmLanguage
index 4beae59..ae9cda8 100644
--- a/src/syntax/nginx.tmLanguage
+++ b/src/syntax/nginx.tmLanguage
@@ -3265,7 +3265,7 @@
       <array>
         <dict>
           <key>match</key>
-          <string>(?:^|\s)(weight|max_conn|max_fails|fail_timeout|slow_start)(=)(\d[\d\.]*[bBkKmMgGtTsShHdD]?)(?:\s|;|$)</string>
+          <string>(?:^|\s)(weight|max_conn|max_fails|fail_timeout|slow_start)(=)(\d[\d\.]*[bBkKmMgGtTsShHdD]?)(?=[\s;]|$)</string>
           <key>captures</key>
           <dict>
             <key>1</key>
diff --git a/src/syntax/repository.ts b/src/syntax/repository.ts
index 2c5d2fc..aee9b69 100644
--- a/src/syntax/repository.ts
+++ b/src/syntax/repository.ts
@@ -43,7 +43,7 @@ export const syntaxRepository: {
 	server_parameters: {
 		patterns: [
 			{
-				match: /(?:^|\s)(weight|max_conn|max_fails|fail_timeout|slow_start)(=)(\d[\d\.]*[bBkKmMgGtTsShHdD]?)(?:\s|;|$)/,
+				match: /(?:^|\s)(weight|max_conn|max_fails|fail_timeout|slow_start)(=)(\d[\d\.]*[bBkKmMgGtTsShHdD]?)(?=[\s;]|$)/,
 				captures: {
 					'1': names.variable.parameter,
 					'2': names.operator,