diff --git a/src/displayapp/fonts/CMakeLists.txt b/src/displayapp/fonts/CMakeLists.txt
index 718afafd..3add233f 100644
--- a/src/displayapp/fonts/CMakeLists.txt
+++ b/src/displayapp/fonts/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.10)
 set(FONTS jetbrains_mono_42 jetbrains_mono_76 jetbrains_mono_bold_20
    jetbrains_mono_extrabold_compressed lv_font_navi_80 lv_font_sys_48
    open_sans_light)
-
+find_program(LV_FONT_CONV "lv_font_conv" NO_CACHE REQUIRED)
 configure_file(displayapp/fonts/jetbrains_mono_bold_20.c_zero.patch
    displayapp/fonts/jetbrains_mono_bold_20.c_zero.patch COPYONLY)
 foreach(FONT ${FONTS})