diff --git a/doc/zephyr.doxyfile.in b/doc/zephyr.doxyfile.in
index 4ab6a73a894..84f31433208 100644
--- a/doc/zephyr.doxyfile.in
+++ b/doc/zephyr.doxyfile.in
@@ -1368,7 +1368,7 @@ HTML_EXTRA_FILES       = @ZEPHYR_BASE@/doc/_doxygen/doxygen-awesome-darkmode-tog
 # The default value is: AUTO_LIGHT.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_COLORSTYLE        = AUTO_LIGHT
+HTML_COLORSTYLE        = LIGHT
 
 # The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
 # will adjust the colors in the style sheet and background images according to