diff --git a/gfx/drivers_font_renderer/bitmapfont.c b/gfx/drivers_font_renderer/bitmapfont.c
index 97f8dce095..f8a404149d 100644
--- a/gfx/drivers_font_renderer/bitmapfont.c
+++ b/gfx/drivers_font_renderer/bitmapfont.c
@@ -76,6 +76,7 @@ static void char_to_texture(bm_renderer_t *handle, uint8_t letter,
                dst[xo + yo * handle->atlas.width] = col;
       }
    }
+   handle->atlas.dirty = true;
 }
 
 static void *font_renderer_bmp_init(const char *font_path, float font_size)
diff --git a/gfx/drivers_font_renderer/stb.c b/gfx/drivers_font_renderer/stb.c
index f0cdf7952f..5ddc0795df 100644
--- a/gfx/drivers_font_renderer/stb.c
+++ b/gfx/drivers_font_renderer/stb.c
@@ -38,7 +38,7 @@ typedef struct
    struct font_glyph glyphs[256];
 } stb_font_renderer_t;
 
-static const struct font_atlas *font_renderer_stb_get_atlas(void *data)
+static struct font_atlas *font_renderer_stb_get_atlas(void *data)
 {
    stb_font_renderer_t *self = (stb_font_renderer_t*)data;
    return &self->atlas;
@@ -89,6 +89,8 @@ static bool font_renderer_stb_create_atlas(stb_font_renderer_t *self,
    stbtt_PackFontRange(&pc, font_data, 0, font_size, 0, 256, chardata);
    stbtt_PackEnd(&pc);
 
+   self->atlas.dirty = true;
+
    for (i = 0; i < 256; ++i)
    {
       struct font_glyph *g = &self->glyphs[i];
diff --git a/gfx/font_driver.h b/gfx/font_driver.h
index 988c65e548..2b2044b695 100644
--- a/gfx/font_driver.h
+++ b/gfx/font_driver.h
@@ -73,6 +73,7 @@ struct font_atlas
    uint8_t *buffer; /* Alpha channel. */
    unsigned width;
    unsigned height;
+   bool dirty;
 };
 
 struct font_params
@@ -112,7 +113,7 @@ typedef struct font_renderer_driver
 {
    void *(*init)(const char *font_path, float font_size);
 
-   const struct font_atlas *(*get_atlas)(void *data);
+   struct font_atlas *(*get_atlas)(void *data);
 
    /* Returns NULL if no glyph for this code is found. */
    const struct font_glyph *(*get_glyph)(void *data, uint32_t code);