diff --git a/src/backends/neon/test/NeonLayerTests.cpp b/src/backends/neon/test/NeonLayerTests.cpp
index c4b5d18..acadf6e 100644
--- a/src/backends/neon/test/NeonLayerTests.cpp
+++ b/src/backends/neon/test/NeonLayerTests.cpp
@@ -1224,6 +1224,7 @@
 // Fill
 ARMNN_AUTO_TEST_CASE(SimpleFill, SimpleFillTest<DataType::Float32>)
 ARMNN_AUTO_TEST_CASE(SimpleFillF16, SimpleFillTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(SimpleFillS32, SimpleFillTest<DataType::Signed32>)
 
 #if defined(ARMNNREF_ENABLED)