diff --git a/gfx/drivers_font_renderer/stb.c b/gfx/drivers_font_renderer/stb.c
index d27decca0b..76b196b6b6 100644
--- a/gfx/drivers_font_renderer/stb.c
+++ b/gfx/drivers_font_renderer/stb.c
@@ -137,6 +137,9 @@ static void *font_renderer_stb_init(const char *font_path, float font_size)
    stbtt_fontinfo info;
    stb_font_renderer_t *self = (stb_font_renderer_t*) calloc(1, sizeof(*self));
 
+   /* See https://github.com/nothings/stb/blob/master/stb_truetype.h#L539 */
+   font_size = STBTT_POINT_SIZE(font_size);
+
    /* prevent warnings */
    (void)rect_width_compare;