diff --git a/tests/makefile/Makefile b/tests/makefile/Makefile
index d3d7dd8eb..10aa776b6 100644
--- a/tests/makefile/Makefile
+++ b/tests/makefile/Makefile
@@ -2,7 +2,7 @@ LVGL_PATH := $(CURDIR)/../..
 include ../../lvgl.mk
 
 CSRCS += test.c
-CFLAGS += -DLV_CONF_SKIP=1 -I$(LVGL_PATH)/..
+CFLAGS += -DLV_CONF_SKIP=1 -DLV_BUILD_TEST=1 -I$(LVGL_PATH)/..
 COBJS := $(patsubst %.c, %.o, $(CSRCS))
 
 test_file: $(COBJS)
diff --git a/tests/makefile/test.c b/tests/makefile/test.c
index 6ae11c2f1..36379fdc2 100644
--- a/tests/makefile/test.c
+++ b/tests/makefile/test.c
@@ -1,3 +1,4 @@
+#if LV_BUILD_TEST
 #include <stdio.h>
 #include "lvgl/lvgl.h"
 
@@ -6,3 +7,4 @@ int main(void)
     lv_init();
     return 0;
 }
+#endif