diff --git a/backend/escl/escl_capabilities.c b/backend/escl/escl_capabilities.c
index d57b436fd..efbd54707 100644
--- a/backend/escl/escl_capabilities.c
+++ b/backend/escl/escl_capabilities.c
@@ -430,8 +430,9 @@ print_xml_c(xmlNode *node, ESCL_Device *device, capabilities_t *scanner, int typ
             if (find_nodes_c(node) && type != -1)
                 find_true_variables(node, scanner, type);
         }
-        if (!strcmp((const char *)node->name, "Version")){
-            device->version = atof ((const char *)xmlNodeGetContent(node));
+        if (!strcmp((const char *)node->name, "Version")&& node->ns && node->ns->prefix){
+            if (!strcmp((const char*)node->ns->prefix, "pwg"))
+                device->version = atof ((const char *)xmlNodeGetContent(node));
 	}
         if (!strcmp((const char *)node->name, "MakeAndModel")){
             device->model_name = strdup((const char *)xmlNodeGetContent(node));
@@ -587,6 +588,7 @@ escl_capabilities(ESCL_Device *device, char *blacklist, SANE_Status *status)
         strstr(header->memory, "Server: HP_Compact_Server"))
         device->hack = curl_slist_append(NULL, "Host: localhost");
 
+    device->version = 0.0;
     scanner->source = 0;
     scanner->Sources = (SANE_String_Const *)malloc(sizeof(SANE_String_Const) * 4);
     for (i = 0; i < 4; i++)