diff --git a/tester/CMakeLists.txt b/tester/CMakeLists.txt
index e9583b955..555f17ce9 100644
--- a/tester/CMakeLists.txt
+++ b/tester/CMakeLists.txt
@@ -56,7 +56,7 @@ add_definitions(-DBC_CONFIG_FILE="config.h")
 
 add_executable(liblinphone_tester ${SOURCE_FILES})
 set_target_properties(liblinphone_tester PROPERTIES LINKER_LANGUAGE CXX)
-target_include_directories(liblinphone_tester PUBLIC ${CUNIT_INCLUDE_DIRS})
+target_include_directories(liblinphone_tester PUBLIC ${CUNIT_INCLUDE_DIRS} PRIVATE common)
 target_link_libraries(liblinphone_tester linphone ${CUNIT_LIBRARIES})
 if (GTK2_FOUND)
 	target_compile_definitions(liblinphone_tester PRIVATE HAVE_GTK)