diff --git a/src/options/display.c b/src/options/display.c
index 22a018867..2ef919fc0 100644
--- a/src/options/display.c
+++ b/src/options/display.c
@@ -92,7 +92,7 @@ const char* ffOptionsParseDisplayJsonConfig(FFOptionsDisplay* options, yyjson_va
             }
 
             yyjson_val* ndigits = yyjson_obj_get(val, "ndigits");
-            if (ndigits) options->percentNdigits = (uint8_t) yyjson_get_uint(ndigits);
+            if (ndigits) options->sizeNdigits = (uint8_t) yyjson_get_uint(ndigits);
         }
         else if (ffStrEqualsIgnCase(key, "temp"))
         {