diff --git a/xc7/family.cmake b/xc7/family.cmake
index 716430ee..673a3f0a 100644
--- a/xc7/family.cmake
+++ b/xc7/family.cmake
@@ -24,7 +24,10 @@ add_custom_target(torc ALL
                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/torc/src)
 find_package(Boost REQUIRED COMPONENTS serialization iostreams ${boost_libs} ${boost_python_lib})
 
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/torc/src)
+target_include_directories(nextpnr-${family} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/torc/src)
+if (BUILD_TESTS)
+    target_include_directories(nextpnr-${family}-test PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/torc/src)
+endif()
 
 set(TORC_OBJS
     ${CMAKE_CURRENT_SOURCE_DIR}/torc/src/torc/architecture/Arc.o