diff --git a/binding/go/porcupine_test.go b/binding/go/porcupine_test.go
index 65aa55cee..c9b5877f1 100644
--- a/binding/go/porcupine_test.go
+++ b/binding/go/porcupine_test.go
@@ -326,19 +326,10 @@ func TestProcessMessageStack(t *testing.T) {
 	porcupine.handle = nil
 
 	testPcm := make([]int16, FrameLength)
-	ret, _ := nativePorcupine.nativeProcess(&porcupine, testPcm)
-	if ret != SUCCESS {
-		errorStatus, messageStack := nativePorcupine.nativeGetErrorStack()
-		if errorStatus != SUCCESS {
-			t.Fatalf("Unable to get Porcupine error state")
-		}
-
-		if len(messageStack) == 0 || len(messageStack) > 8 {
-			t.Fatalf("Invalid message stack length %d", len(messageStack))
-		}
-	} else {
-		t.Fatalf("Expected process to fail")
-	}
-
+	
+	_, err = porcupine.Process(testPcm)
 	porcupine.handle = address
+	if err == nil {
+		t.Fatalf("Expected porcupine process to fail")
+	}
 }
diff --git a/binding/ios/PorcupineAppTest/PorcupineAppTestUITests/PorcupineAppTestUITests.swift b/binding/ios/PorcupineAppTest/PorcupineAppTestUITests/PorcupineAppTestUITests.swift
index 9a9a9e695..5caae7f86 100644
--- a/binding/ios/PorcupineAppTest/PorcupineAppTestUITests/PorcupineAppTestUITests.swift
+++ b/binding/ios/PorcupineAppTest/PorcupineAppTestUITests/PorcupineAppTestUITests.swift
@@ -263,4 +263,19 @@ class PorcupineAppTestUITests: BaseTest {
             XCTAssert("\(error.localizedDescription)".count == first_error.count)
         }
     }
+
+    func testProcessMessageStack() throws {
+        let p = try Porcupine.init(accessKey: accessKey, keyword: Porcupine.BuiltInKeyword.porcupine)
+        p.delete()
+
+        var testPcm: [Int16] = []
+        testPcm.reserveCapacity(p.frameLength)
+
+        do {
+            let res = p.process(testPcm)
+            XCTAssert(res == 100)
+        } catch {
+            XCTAssert("\(error.localizedDescription)".count > 0)
+        }
+    }
 }