diff --git a/gtests/net/packetdrill/run.c b/gtests/net/packetdrill/run.c
index 5f44f99748b04d57015dd1d654bf11a3b897e33d..7e825306301523eed707c05f365f43fb2028caa7 100644
--- a/gtests/net/packetdrill/run.c
+++ b/gtests/net/packetdrill/run.c
@@ -155,7 +155,7 @@ void state_free(struct state *state)
 	run_unlock(state);
 	if (pthread_mutex_destroy(&state->mutex) != 0)
 		die_perror("pthread_mutex_destroy");
-	
+
 	memset(state, 0, sizeof(*state));  /* paranoia to help catch bugs */
 	free(state);
 }