diff --git a/embed/extmod/modtrezorui/display.h b/embed/extmod/modtrezorui/display.h
index ea9befdbb5..3891c1d886 100644
--- a/embed/extmod/modtrezorui/display.h
+++ b/embed/extmod/modtrezorui/display.h
@@ -33,13 +33,13 @@
 #define FONT_SIZE   20
 
 #ifdef TREZOR_FONT_MONO_ENABLE
-#define FONT_MONO   0
+#define FONT_MONO   1
 #endif
 #ifdef TREZOR_FONT_NORMAL_ENABLE
-#define FONT_NORMAL 1
+#define FONT_NORMAL 2
 #endif
 #ifdef TREZOR_FONT_BOLD_ENABLE
-#define FONT_BOLD   2
+#define FONT_BOLD   3
 #endif
 
 #define AVATAR_IMAGE_SIZE  144
diff --git a/embed/extmod/modtrezorui/modtrezorui-display.h b/embed/extmod/modtrezorui/modtrezorui-display.h
index e0dbe6d60a..547278da87 100644
--- a/embed/extmod/modtrezorui/modtrezorui-display.h
+++ b/embed/extmod/modtrezorui/modtrezorui-display.h
@@ -21,6 +21,9 @@
 
 #include "display.h"
 
+#define FONT_PY_TO_C(f) (-(f))
+#define FONT_C_TO_PY(f) (-(f))
+
 /// class Display:
 ///     '''
 ///     Provide access to device display.
@@ -206,7 +209,7 @@ STATIC mp_obj_t mod_trezorui_Display_text(size_t n_args, const mp_obj_t *args) {
     mp_int_t y = mp_obj_get_int(args[2]);
     mp_buffer_info_t text;
     mp_get_buffer_raise(args[3], &text, MP_BUFFER_READ);
-    mp_int_t font = mp_obj_get_int(args[4]);
+    mp_int_t font = FONT_PY_TO_C(mp_obj_get_int(args[4]));
     mp_int_t fgcolor = mp_obj_get_int(args[5]);
     mp_int_t bgcolor = mp_obj_get_int(args[6]);
     mp_int_t minwidth = (n_args > 7) ? mp_obj_get_int(args[7]) : 0;
@@ -232,7 +235,7 @@ STATIC mp_obj_t mod_trezorui_Display_text_center(size_t n_args, const mp_obj_t *
     mp_int_t y = mp_obj_get_int(args[2]);
     mp_buffer_info_t text;
     mp_get_buffer_raise(args[3], &text, MP_BUFFER_READ);
-    mp_int_t font = mp_obj_get_int(args[4]);
+    mp_int_t font = FONT_PY_TO_C(mp_obj_get_int(args[4]));
     mp_int_t fgcolor = mp_obj_get_int(args[5]);
     mp_int_t bgcolor = mp_obj_get_int(args[6]);
     mp_int_t minwidth = (n_args > 7) ? mp_obj_get_int(args[7]) : 0;
@@ -258,7 +261,7 @@ STATIC mp_obj_t mod_trezorui_Display_text_right(size_t n_args, const mp_obj_t *a
     mp_int_t y = mp_obj_get_int(args[2]);
     mp_buffer_info_t text;
     mp_get_buffer_raise(args[3], &text, MP_BUFFER_READ);
-    mp_int_t font = mp_obj_get_int(args[4]);
+    mp_int_t font = FONT_PY_TO_C(mp_obj_get_int(args[4]));
     mp_int_t fgcolor = mp_obj_get_int(args[5]);
     mp_int_t bgcolor = mp_obj_get_int(args[6]);
     mp_int_t minwidth = (n_args > 7) ? mp_obj_get_int(args[7]) : 0;
@@ -279,7 +282,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorui_Display_text_right_obj,
 STATIC mp_obj_t mod_trezorui_Display_text_width(mp_obj_t self, mp_obj_t text, mp_obj_t font) {
     mp_buffer_info_t txt;
     mp_get_buffer_raise(text, &txt, MP_BUFFER_READ);
-    mp_int_t f = mp_obj_get_int(font);
+    mp_int_t f = FONT_PY_TO_C(mp_obj_get_int(font));
     int w = display_text_width(txt.buf, txt.len, f);
     return mp_obj_new_int(w);
 }
@@ -456,9 +459,9 @@ STATIC const mp_rom_map_elem_t mod_trezorui_Display_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_WIDTH), MP_OBJ_NEW_SMALL_INT(DISPLAY_RESX) },
     { MP_ROM_QSTR(MP_QSTR_HEIGHT), MP_OBJ_NEW_SMALL_INT(DISPLAY_RESY) },
     { MP_ROM_QSTR(MP_QSTR_FONT_SIZE), MP_OBJ_NEW_SMALL_INT(FONT_SIZE) },
-    { MP_ROM_QSTR(MP_QSTR_FONT_MONO), MP_OBJ_NEW_SMALL_INT(FONT_MONO) },
-    { MP_ROM_QSTR(MP_QSTR_FONT_NORMAL), MP_OBJ_NEW_SMALL_INT(FONT_NORMAL) },
-    { MP_ROM_QSTR(MP_QSTR_FONT_BOLD), MP_OBJ_NEW_SMALL_INT(FONT_BOLD) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_MONO), MP_OBJ_NEW_SMALL_INT(FONT_C_TO_PY(FONT_MONO)) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_NORMAL), MP_OBJ_NEW_SMALL_INT(FONT_C_TO_PY(FONT_NORMAL)) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_BOLD), MP_OBJ_NEW_SMALL_INT(FONT_C_TO_PY(FONT_BOLD)) },
 };
 STATIC MP_DEFINE_CONST_DICT(mod_trezorui_Display_locals_dict, mod_trezorui_Display_locals_dict_table);
 
diff --git a/src/trezor/ui/text.py b/src/trezor/ui/text.py
index eeabc91ce1..3ed2ed87e4 100644
--- a/src/trezor/ui/text.py
+++ b/src/trezor/ui/text.py
@@ -6,7 +6,8 @@ TEXT_LINE_HEIGHT = const(26)
 TEXT_MARGIN_LEFT = const(14)
 TEXT_MAX_LINES = const(4)
 
-BR = const(-1)
+# needs to be different from all colors and font ids
+BR = const(-256)
 
 
 def render_words(words: list, new_lines: bool, max_lines: int) -> None: