diff --git a/packages/binding-http/src/http-server.ts b/packages/binding-http/src/http-server.ts
index 87629068b..0c115de18 100644
--- a/packages/binding-http/src/http-server.ts
+++ b/packages/binding-http/src/http-server.ts
@@ -340,12 +340,12 @@ export default class HttpServer implements ProtocolServer {
 
             for (const property of properties) {
                 const readOnly: boolean = property.readOnly ?? false;
-                if (readOnly) {
+                if (!readOnly) {
                     allReadOnly = false;
                 }
 
                 const writeOnly: boolean = property.writeOnly ?? false;
-                if (writeOnly) {
+                if (!writeOnly) {
                     allWriteOnly = false;
                 }
             }