diff --git a/src/core/oauth2-authorize.js b/src/core/oauth2-authorize.js
index e20cdd3b594..06a6fa02d3a 100644
--- a/src/core/oauth2-authorize.js
+++ b/src/core/oauth2-authorize.js
@@ -8,6 +8,11 @@ export default function authorize ( { auth, authActions, errActions, configs, au
   let flow = schema.get("flow")
   let query = []
 
+  // deleting old authorization code before new attempt if defined. 
+  // At this stage we don't care about flow type. 
+  // It fails silently if not defined yet
+  delete auth.code
+
   switch (flow) {
     case "password":
       authActions.authorizePassword(auth)
diff --git a/test/unit/core/oauth2-authorize.js b/test/unit/core/oauth2-authorize.js
index b31faeb4b49..d69342d76f4 100644
--- a/test/unit/core/oauth2-authorize.js
+++ b/test/unit/core/oauth2-authorize.js
@@ -197,5 +197,22 @@ describe("oauth2", () => {
 
       authConfig3.authActions.authPopup.mockReset()
     })
+
+    it("should delete previous authorization code when using authorizationCode flow on each attempt", () => {
+      mockSchema.flow = "authorizationCode"
+
+      authConfig.authConfigs.usePkceWithAuthorizationCodeGrant = true
+
+      // Simulate a stale authorization code from a previous attempt
+      authConfig.auth.code = "mock_authorization_code"
+
+      expect(authConfig.auth.code).toBe("mock_authorization_code")
+
+      oauth2Authorize(authConfig)
+      expect(authConfig.auth.code).toBeUndefined()
+
+      authConfig.authActions.authPopup.mockReset()
+    })
+
   })
 })