diff --git a/test/Makefile.am b/test/Makefile.am
index b8de15c8..0f2f1693 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -64,17 +64,17 @@ test_log_LDADD = $(TEST_LIBS)
 test_log_LDFLAGS = -static
 
 test_touchpad_SOURCES = touchpad.c
-test_touchpad_CFLAGS = $(AM_CPPFLAGS)
+test_touchpad_CFLAGS = $(TEST_CFLAGS)
 test_touchpad_LDADD = $(TEST_LIBS)
 test_touchpad_LDFLAGS = -static
 
 test_misc_SOURCES = misc.c
-test_misc_CFLAGS = $(AM_CPPFLAGS)
+test_misc_CFLAGS = $(TEST_CFLAGS)
 test_misc_LDADD = $(TEST_LIBS)
 test_misc_LDFLAGS = -static
 
 test_keyboard_SOURCES = keyboard.c
-test_keyboard_CFLAGS = $(AM_CPPFLAGS)
+test_keyboard_CFLAGS = $(TEST_CFLAGS)
 test_keyboard_LDADD = $(TEST_LIBS)
 test_keyboard_LDFLAGS = -static