diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84d9be922f9afd885fc85f27b64e8ffbf33b14e5..361237a17b256c1d62f14ee15fbd1894aa3d6b41 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,8 @@ find_package(Libidn)
 find_package(SystemdDaemon)
 
 # To be able to include the config.h file generated by cmake
-include_directories("src/")
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}/src/")
+include_directories("${CMAKE_CURRENT_BINARY_DIR}/src/")
 include_directories(${EXPAT_INCLUDE_DIRS})
 include_directories(${ICONV_INCLUDE_DIRS})