diff --git a/build/CMakeLists.txt b/build/CMakeLists.txt
index 8c8e75f0..a38bd49b 100644
--- a/build/CMakeLists.txt
+++ b/build/CMakeLists.txt
@@ -27,6 +27,7 @@ set ( CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules" )
 set ( CMAKE_SOURCE_DIR ".." )
 
 # architecture
+include(TargetArch)
 target_architecture(ARCHITECTURE)
 
 set(LIBI2PD_SRC_DIR ../libi2pd)