diff --git a/src/backends/reference/test/RefLayerTests.cpp b/src/backends/reference/test/RefLayerTests.cpp
index b2f71a8..f54a8d0 100644
--- a/src/backends/reference/test/RefLayerTests.cpp
+++ b/src/backends/reference/test/RefLayerTests.cpp
@@ -624,11 +624,23 @@
 }
 BOOST_AUTO_TEST_CASE(DetectionPostProcessRegularNmsUint8)
 {
-    DetectionPostProcessRegularNmsUint8Test<armnn::RefWorkloadFactory>();
+    DetectionPostProcessRegularNmsQuantizedTest<
+        armnn::RefWorkloadFactory, armnn::DataType::QuantisedAsymm8>();
 }
 BOOST_AUTO_TEST_CASE(DetectionPostProcessFastNmsUint8)
 {
-    DetectionPostProcessFastNmsUint8Test<armnn::RefWorkloadFactory>();
+    DetectionPostProcessRegularNmsQuantizedTest<
+        armnn::RefWorkloadFactory, armnn::DataType::QuantisedAsymm8>();
+}
+BOOST_AUTO_TEST_CASE(DetectionPostProcessRegularNmsInt16)
+{
+    DetectionPostProcessRegularNmsQuantizedTest<
+        armnn::RefWorkloadFactory, armnn::DataType::QuantisedSymm16>();
+}
+BOOST_AUTO_TEST_CASE(DetectionPostProcessFastNmsInt16)
+{
+    DetectionPostProcessFastNmsQuantizedTest<
+        armnn::RefWorkloadFactory, armnn::DataType::QuantisedSymm16>();
 }
 
 // Dequantize