diff --git a/Sources/LanguageServerProtocolJSONRPC/JSONRPCConnection.swift b/Sources/LanguageServerProtocolJSONRPC/JSONRPCConnection.swift
index 6d05445b..883e039e 100644
--- a/Sources/LanguageServerProtocolJSONRPC/JSONRPCConnection.swift
+++ b/Sources/LanguageServerProtocolJSONRPC/JSONRPCConnection.swift
@@ -290,8 +290,8 @@ public final class JSONRPCConnection {
       messageHandlingQueue.async {
         await request._handle(self.receiveHandler!, id: id, connection: self) { (response, id) in
           self.sendReply(response, id: id)
+          semaphore?.signal()
         }
-        semaphore?.signal()
       }
       semaphore?.wait()