diff --git a/libnm-core/nm-vpn-dbus-interface.h b/libnm-core/nm-vpn-dbus-interface.h
index 46abda68b..c0e23f6fc 100644
--- a/libnm-core/nm-vpn-dbus-interface.h
+++ b/libnm-core/nm-vpn-dbus-interface.h
@@ -141,26 +141,18 @@ typedef enum {
  */
 NM_DEPRECATED_IN_1_8_FOR(NMActiveConnectionStateReason)
 typedef enum {
-    NM_VPN_CONNECTION_STATE_REASON_UNKNOWN = NM_ACTIVE_CONNECTION_STATE_REASON_UNKNOWN,
-    NM_VPN_CONNECTION_STATE_REASON_NONE    = NM_ACTIVE_CONNECTION_STATE_REASON_NONE,
-    NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED =
-        NM_ACTIVE_CONNECTION_STATE_REASON_USER_DISCONNECTED,
-    NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED =
-        NM_ACTIVE_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED,
-    NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED =
-        NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_STOPPED,
-    NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID =
-        NM_ACTIVE_CONNECTION_STATE_REASON_IP_CONFIG_INVALID,
-    NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT =
-        NM_ACTIVE_CONNECTION_STATE_REASON_CONNECT_TIMEOUT,
-    NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT =
-        NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT,
-    NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED =
-        NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_START_FAILED,
-    NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS   = NM_ACTIVE_CONNECTION_STATE_REASON_NO_SECRETS,
-    NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED = NM_ACTIVE_CONNECTION_STATE_REASON_LOGIN_FAILED,
-    NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED =
-        NM_ACTIVE_CONNECTION_STATE_REASON_CONNECTION_REMOVED,
+    NM_VPN_CONNECTION_STATE_REASON_UNKNOWN               = 0,
+    NM_VPN_CONNECTION_STATE_REASON_NONE                  = 1,
+    NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED     = 2,
+    NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED   = 3,
+    NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED       = 4,
+    NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID     = 5,
+    NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT       = 6,
+    NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT = 7,
+    NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED  = 8,
+    NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS            = 9,
+    NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED          = 10,
+    NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED    = 11,
 } NMVpnConnectionStateReason;
 
 /**
diff --git a/libnm-core/tests/test-general.c b/libnm-core/tests/test-general.c
index 00f6febbb..9894064c4 100644
--- a/libnm-core/tests/test-general.c
+++ b/libnm-core/tests/test-general.c
@@ -10273,6 +10273,45 @@ test_nm_utils_wifi_ghz_freqs(void)
 
 /*****************************************************************************/
 
+static void
+test_vpn_connection_state_reason(void)
+{
+#define ASSERT(v1, v2)                                                \
+    G_STMT_START                                                      \
+    {                                                                 \
+        G_STATIC_ASSERT((gint64)(v1) == v2);                          \
+        G_STATIC_ASSERT((gint64)(v2) == v1);                          \
+                                                                      \
+        nm_assert(((NMActiveConnectionStateReason)(int) (v1)) == v2); \
+        nm_assert(((NMVpnConnectionStateReason)(int) (v2)) == v1);    \
+    }                                                                 \
+    G_STMT_END
+
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_UNKNOWN, NM_ACTIVE_CONNECTION_STATE_REASON_UNKNOWN);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_NONE, NM_ACTIVE_CONNECTION_STATE_REASON_NONE);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_USER_DISCONNECTED);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_SERVICE_STOPPED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_STOPPED);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_IP_CONFIG_INVALID,
+           NM_ACTIVE_CONNECTION_STATE_REASON_IP_CONFIG_INVALID);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_CONNECT_TIMEOUT,
+           NM_ACTIVE_CONNECTION_STATE_REASON_CONNECT_TIMEOUT);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT,
+           NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_START_TIMEOUT);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_SERVICE_START_FAILED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_SERVICE_START_FAILED);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_NO_SECRETS, NM_ACTIVE_CONNECTION_STATE_REASON_NO_SECRETS);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_LOGIN_FAILED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_LOGIN_FAILED);
+    ASSERT(NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED,
+           NM_ACTIVE_CONNECTION_STATE_REASON_CONNECTION_REMOVED);
+}
+
+/*****************************************************************************/
+
 NMTST_DEFINE();
 
 int
@@ -10603,6 +10642,8 @@ main(int argc, char **argv)
     g_test_add_func("/core/general/test_nm_utils_wifi_ghz_freqs", test_nm_utils_wifi_ghz_freqs);
 
     g_test_add_func("/core/general/test_strsplit_quoted", test_strsplit_quoted);
+    g_test_add_func("/core/general/test_vpn_connection_state_reason",
+                    test_vpn_connection_state_reason);
 
     return g_test_run();
 }