1 files changed, 2 insertions, 2 deletions
diff --git a/src/H5P.c b/src/H5P.c
index 79cca42..77128bd 100644
--- a/src/H5P.c
+++ b/src/H5P.c
@@ -1339,8 +1339,8 @@ H5Pset_driver(hid_t plist_id, hid_t driver_id, const void *driver_info)
 	}
 
 	/* Remove old driver */
-	assert(dxpl->driver_id>=0);
-	H5FD_dxpl_free(dxpl->driver_id, dxpl->driver_info);
+	if (dxpl->driver_id>=0)
+	    H5FD_dxpl_free(dxpl->driver_id, dxpl->driver_info);
 
 	/* Add new driver */
 	H5I_inc_ref(driver_id);