diff --git a/docs/intro/add-lvgl-to-your-project/configuration.rst b/docs/intro/add-lvgl-to-your-project/configuration.rst
index 553467f52..a11434b28 100644
--- a/docs/intro/add-lvgl-to-your-project/configuration.rst
+++ b/docs/intro/add-lvgl-to-your-project/configuration.rst
@@ -36,7 +36,9 @@ will attempt to include ``lv_conf.h`` simply with ``#include "lv_conf.h"``.
 You can even use a different name for ``lv_conf.h``. The custom path can
 be set via the :c:macro:`LV_CONF_PATH` define. For example
 ``-DLV_CONF_PATH="/home/joe/my_project/my_custom_conf.h"``. If this define
-is set :c:macro:`LV_CONF_SKIP` is assumed to be ``0``.
+is set :c:macro:`LV_CONF_SKIP` is assumed to be ``0``. Please notice,
+when defining the :c:macro:`LV_CONF_PATH`, you need to make sure it is
+defined as a string, otherwise a build error will be raised.
 
 If :c:macro:`LV_CONF_SKIP` is defined, LVGL will not try to include
 ``lv_conf.h``. Instead you can pass the config defines using build
diff --git a/scripts/lv_conf_internal_gen.py b/scripts/lv_conf_internal_gen.py
index a3a0da8be..24546e1c2 100755
--- a/scripts/lv_conf_internal_gen.py
+++ b/scripts/lv_conf_internal_gen.py
@@ -74,11 +74,7 @@ fout.write(
 /* If lv_conf.h is not skipped, include it. */
 #if !defined(LV_CONF_SKIP) || defined(LV_CONF_PATH)
     #ifdef LV_CONF_PATH                           /* If there is a path defined for lv_conf.h, use it */
-        #define __LV_TO_STR_AUX(x) #x
-        #define __LV_TO_STR(x) __LV_TO_STR_AUX(x)
-        #include __LV_TO_STR(LV_CONF_PATH)
-        #undef __LV_TO_STR_AUX
-        #undef __LV_TO_STR
+        #include LV_CONF_PATH                     /* Note: Make sure to define custom CONF_PATH as a string */
     #elif defined(LV_CONF_INCLUDE_SIMPLE)         /* Or simply include lv_conf.h is enabled. */
         #include "lv_conf.h"
     #else
diff --git a/src/lv_conf_internal.h b/src/lv_conf_internal.h
index f086e023c..d8c2eb66e 100644
--- a/src/lv_conf_internal.h
+++ b/src/lv_conf_internal.h
@@ -52,11 +52,7 @@
 /* If lv_conf.h is not skipped, include it. */
 #if !defined(LV_CONF_SKIP) || defined(LV_CONF_PATH)
     #ifdef LV_CONF_PATH                           /* If there is a path defined for lv_conf.h, use it */
-        #define __LV_TO_STR_AUX(x) #x
-        #define __LV_TO_STR(x) __LV_TO_STR_AUX(x)
-        #include __LV_TO_STR(LV_CONF_PATH)
-        #undef __LV_TO_STR_AUX
-        #undef __LV_TO_STR
+        #include LV_CONF_PATH                     /* Note: Make sure to define custom CONF_PATH as a string */
     #elif defined(LV_CONF_INCLUDE_SIMPLE)         /* Or simply include lv_conf.h is enabled. */
         #include "lv_conf.h"
     #else
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 155d6ab27..ccd013381 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -169,7 +169,7 @@ endif()
 
 # Options lvgl and examples are compiled with.
 set(COMPILE_OPTIONS
-    -DLV_CONF_PATH=${LVGL_TEST_DIR}/src/lv_test_conf.h
+    -DLV_CONF_PATH="${LVGL_TEST_DIR}/src/lv_test_conf.h"
     -DLV_BUILD_TEST
     ${BUILD_OPTIONS}
     ${BUILD_TARGET_DEF}