diff --git a/src/backend/driver.c b/src/backend/driver.c
index d7c62d7..a91fd53 100644
--- a/src/backend/driver.c
+++ b/src/backend/driver.c
@@ -59,6 +59,7 @@ enum driver detect_driver(xcb_connection_t *c, backend_t *backend_data, xcb_wind
 				ret |= DRIVER_INTEL;
 			}
 			free(name);
+			free(r2);
 		}
 		free(r);
 	}