diff --git a/src/extra/themes/mono/lv_theme_mono.c b/src/extra/themes/mono/lv_theme_mono.c
index 79d4383d8..b249e76d5 100644
--- a/src/extra/themes/mono/lv_theme_mono.c
+++ b/src/extra/themes/mono/lv_theme_mono.c
@@ -175,7 +175,7 @@ lv_theme_t * lv_theme_mono_init(lv_disp_t * disp, bool dark_bg, const lv_font_t
     /*This trick is required only to avoid the garbage collection of
      *styles' data if LVGL is used in a binding (e.g. Micropython)
      *In a general case styles could be in simple `static lv_style_t my_style...` variables*/
-    if(!lv_theme_mono_is_inited()) {
+    if(!inited) {
         inited = false;
         LV_GC_ROOT(_lv_theme_default_styles) = lv_mem_alloc(sizeof(my_theme_styles_t));
         styles = (my_theme_styles_t *)LV_GC_ROOT(_lv_theme_default_styles);