diff --git a/src/lv_themes/lv_theme_material.c b/src/lv_themes/lv_theme_material.c
index 19ee14a780..8937989173 100644
--- a/src/lv_themes/lv_theme_material.c
+++ b/src/lv_themes/lv_theme_material.c
@@ -64,9 +64,9 @@
 #define COLOR_BG_SEC_TEXT       (IS_LIGHT ? lv_color_hex(0x31404f) : lv_color_hex(0xa5a8ad))
 #define COLOR_BG_SEC_TEXT_DIS   (IS_LIGHT ? lv_color_hex(0xaaaaaa) : lv_color_hex(0xa5a8ad))
 
-#define TRANSITION_TIME         (theme.flags | LV_THEME_MATERIAL_FLAG_NO_TRANSITION ? 0 : 150)
+#define TRANSITION_TIME         ((theme.flags & LV_THEME_MATERIAL_FLAG_NO_TRANSITION) ? 0 : 150)
 #define BORDER_WIDTH            LV_DPX(2)
-#define OUTLINE_WIDTH           (theme.flags | LV_THEME_MATERIAL_FLAG_NO_FOCUS ? 0 : LV_DPX(2))
+#define OUTLINE_WIDTH           ((theme.flags & LV_THEME_MATERIAL_FLAG_NO_FOCUS) ? 0 : LV_DPX(2))
 #define IS_LIGHT (theme.flags & LV_THEME_MATERIAL_FLAG_LIGHT)
 
 #define PAD_DEF (lv_disp_get_size_category(NULL) <= LV_DISP_SIZE_MEDIUM ? LV_DPX(15) : (LV_DPX(30)))
@@ -211,7 +211,7 @@ static void basic_init(void)
     lv_style_set_bg_opa(&styles->bg, LV_STATE_DEFAULT, LV_OPA_COVER);
     lv_style_set_bg_color(&styles->bg, LV_STATE_DEFAULT, COLOR_BG);
     lv_style_set_border_color(&styles->bg, LV_STATE_DEFAULT, COLOR_BG_BORDER);
-    if((theme.flags | LV_THEME_MATERIAL_FLAG_NO_FOCUS) == 0)lv_style_set_border_color(&styles->bg, LV_STATE_FOCUSED, theme.color_primary);
+    if((theme.flags & LV_THEME_MATERIAL_FLAG_NO_FOCUS) == 0)lv_style_set_border_color(&styles->bg, LV_STATE_FOCUSED, theme.color_primary);
     lv_style_set_border_color(&styles->bg, LV_STATE_EDITED, theme.color_secondary);
     lv_style_set_border_width(&styles->bg, LV_STATE_DEFAULT, BORDER_WIDTH);
     lv_style_set_border_post(&styles->bg, LV_STATE_DEFAULT, true);