diff --git a/OpenVPN Adapter/OpenVPNConfiguration.h b/OpenVPN Adapter/OpenVPNConfiguration.h
index a67f47f..cd6ac2d 100644
--- a/OpenVPN Adapter/OpenVPNConfiguration.h	
+++ b/OpenVPN Adapter/OpenVPNConfiguration.h	
@@ -23,6 +23,11 @@
  */
 @property (nullable, nonatomic) NSDictionary<NSString *, NSString *> *settings;
 
-
+/**
+ Set to identity OpenVPN GUI version.
+ Format should be "<gui_identifier><space><version>"
+ Passed to server as IV_GUI_VER.
+ */
+@property (nullable, nonatomic) NSString *guiVersion;
 
 @end
diff --git a/OpenVPN Adapter/OpenVPNConfiguration.mm b/OpenVPN Adapter/OpenVPNConfiguration.mm
index be9629f..42373fc 100644
--- a/OpenVPN Adapter/OpenVPNConfiguration.mm	
+++ b/OpenVPN Adapter/OpenVPNConfiguration.mm	
@@ -65,4 +65,12 @@ using namespace openvpn;
     }];
 }
 
+- (NSString *)guiVersion {
+    return _config.guiVersion.size() != 0 ? [NSString stringWithUTF8String:_config.guiVersion.c_str()] : nil;
+}
+
+- (void)setGuiVersion:(NSString *)guiVersion {
+    _config.guiVersion = guiVersion ? std::string([guiVersion UTF8String]) : "";
+}
+
 @end