diff --git a/Android.mk b/Android.mk
index d9230e5..168b32a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -393,6 +393,7 @@
         src/armnn/test/optimizations/OptimizeInversePermutesTests.cpp \
         src/armnn/test/optimizations/PermuteAndBatchToSpaceAsDepthToSpaceTests.cpp \
         src/armnn/test/optimizations/PermuteAsReshapeTests.cpp \
+        src/armnn/test/optimizations/ReduceMultipleAxesTests.cpp \
         src/armnn/test/optimizations/SquashEqualSiblingsTests.cpp \
         src/armnn/test/optimizations/TransposeAsReshapeTests.cpp \
         src/armnn/test/OptimizerTests.cpp \