diff --git a/src/emsdevice.cpp b/src/emsdevice.cpp
index cd6f94797..b20bf75e5 100644
--- a/src/emsdevice.cpp
+++ b/src/emsdevice.cpp
@@ -48,7 +48,7 @@ std::string EMSdevice::brand_to_string() const {
         break;
     case EMSdevice::Brand::NO_BRAND:
     default:
-        return read_flash_string(F("?"));
+        return read_flash_string(F(""));
         break;
     }