diff --git a/src/core/supplicant/nm-supplicant-interface.c b/src/core/supplicant/nm-supplicant-interface.c
index ad5595cac..bdd6e9311 100644
--- a/src/core/supplicant/nm-supplicant-interface.c
+++ b/src/core/supplicant/nm-supplicant-interface.c
@@ -1249,6 +1249,7 @@ parse_capabilities(NMSupplicantInterface *self, GVariant *capabilities)
                 break;
             }
         }
+        g_free(array);
     }
 
     priv->iface_capabilities = NM_SUPPL_CAP_MASK_SET(priv->iface_capabilities,