diff --git a/cmake/modules/Macros.cmake b/cmake/modules/Macros.cmake
index 63b2171b..16aa7a63 100644
--- a/cmake/modules/Macros.cmake
+++ b/cmake/modules/Macros.cmake
@@ -54,6 +54,8 @@ macro(add_test_executable _target _source)
     list(APPEND _env "DBUS_TEST_EXEC=${PREFIX}${DBUS_TEST_EXEC}")
     list(APPEND _env "DBUS_TEST_HOMEDIR=${PREFIX}${CMAKE_BINARY_DIR}/dbus")
     list(APPEND _env "DBUS_TEST_UNINSTALLED=1")
+    list(APPEND _env "G_TEST_BUILDDIR=${Z_DRIVE_IF_WINE}${PROJECT_BINARY_DIR}/test")
+    list(APPEND _env "G_TEST_SRCDIR=${Z_DRIVE_IF_WINE}${PROJECT_SOURCE_DIR}/test")
     set_tests_properties(${_target} PROPERTIES ENVIRONMENT "${_env}")
 endmacro(add_test_executable)
 
diff --git a/test/Makefile.am b/test/Makefile.am
index 1b6835fe..168ffaea 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -273,6 +273,8 @@ AM_TESTS_ENVIRONMENT = \
 	export DBUS_TEST_EXEC=@abs_top_builddir@/test; \
 	export DBUS_TEST_HOMEDIR=@abs_top_builddir@/dbus; \
 	export DBUS_TEST_UNINSTALLED=1; \
+	export G_TEST_BUILDDIR=@abs_builddir@; \
+	export G_TEST_SRCDIR=@abs_srcdir@; \
 	export HOME=@abs_top_builddir@/dbus; \
 	$(NULL)