diff --git a/sdk/webservice/ManagerV2.cpp b/sdk/webservice/ManagerV2.cpp
index 32454f6c..268b8815 100644
--- a/sdk/webservice/ManagerV2.cpp
+++ b/sdk/webservice/ManagerV2.cpp
@@ -3625,7 +3625,8 @@ namespace ver_2
 
 				if (0 == strcmp(devParams[i].name.c_str(), name) || 0 == strcmp(devParams[i].title.c_str(), title))
 				{
-                    if (!IS_CAP_READONLY(desp->cap))
+                    //if (!IS_CAP_READONLY(desp->cap))
+                    if (0 != strcmp("source", name))
                     {
                         if (SANE_TYPE_STRING == desp->type)
                         {