diff --git a/ArmnnPreparedModel.cpp b/ArmnnPreparedModel.cpp
index 85251ef..d7f727f 100644
--- a/ArmnnPreparedModel.cpp
+++ b/ArmnnPreparedModel.cpp
@@ -301,7 +301,7 @@
 
 template class ArmnnPreparedModel<hal_1_0::HalPolicy>;
 
-#if defined(ARMNN_ANDROID_NN_V1_1)
+#ifdef ARMNN_ANDROID_NN_V1_1
 template class ArmnnPreparedModel<hal_1_1::HalPolicy>;
 #endif