diff --git a/TelepathyQt/CMakeLists.txt b/TelepathyQt/CMakeLists.txt
index 2c639f3..84b9560 100644
--- a/TelepathyQt/CMakeLists.txt
+++ b/TelepathyQt/CMakeLists.txt
@@ -653,6 +653,8 @@ add_library(telepathy-qt-test-backdoors STATIC ${telepathy_qt_test_backdoors_SRC
 add_dependencies(telepathy-qt-test-backdoors stable-constants)
 add_dependencies(telepathy-qt-test-backdoors stable-typesgen)
 
+set_target_properties(telepathy-qt-test-backdoors PROPERTIES COMPILE_FLAGS "-fPIC")
+
 # generate client moc files
 foreach(moc_src ${telepathy_qt_MOC_SRCS})
     set(generated_file _gen/${moc_src})