diff --git a/gtk/capture_if_details_dlg.c b/gtk/capture_if_details_dlg.c
index 228bcb7c92..e41bae8167 100644
--- a/gtk/capture_if_details_dlg.c
+++ b/gtk/capture_if_details_dlg.c
@@ -2126,7 +2126,9 @@ capture_if_details_open(char *iface)
 
     /* XXX - add more known DLL versions here */
     /* (all versions since the 2.3 release seems to be working (although the 2.3 beta did not) */
-    if( strcmp(version, "3, 2, 0, 29") == 0 ||       /* 3.2 beta 1 */
+    if( 
+        strcmp(version, "4.0.0.592"  ) == 0 ||       /* 4.0 beta 1 */
+        strcmp(version, "3, 2, 0, 29") == 0 ||       /* 3.2 beta 1 */
         strcmp(version, "3, 1, 0, 27") == 0 ||       /* 3.1 release */
         strcmp(version, "3, 1, 0, 24") == 0 ||       /* 3.1 beta 4 */
         strcmp(version, "3, 1, 0, 23") == 0 ||       /* 3.1 beta 3 */