diff --git a/firmware/font.c b/firmware/font.c
index f00ff0e..7d28368 100644
--- a/firmware/font.c
+++ b/firmware/font.c
@@ -594,14 +614,17 @@ struct font* font_get(int font)
         return &sysfont;
 
     while (1) {
-        struct buflib_alloc_data *alloc = core_get_data(buflib_allocations[font]);
-        pf = &alloc->font;
-        if (pf && pf->height)
-            return pf;
+        if (buflib_allocations[font] > 0)
+        { 
+            struct buflib_alloc_data *alloc = core_get_data(buflib_allocations[font]);
+            pf = &alloc->font;
+            if (pf && pf->height)
+                return pf;
+        }
         if (--font < 0)
             return &sysfont;
     }
-}
+}     
 
 static int pf_to_handle(struct font* pf)
 {