diff --git a/sys/dev/iwm/if_iwm.c b/sys/dev/iwm/if_iwm.c
index 5556ca66dbde..510491e4d61f 100644
--- a/sys/dev/iwm/if_iwm.c
+++ b/sys/dev/iwm/if_iwm.c
@@ -2041,7 +2041,6 @@ iwm_mvm_load_ucode_wait_alive(struct iwm_softc *sc,
 
 	sc->sc_uc_current = ucode_type;
 	error = iwm_start_fw(sc, ucode_type);
-	iwm_fw_info_free(&sc->sc_fw);
 	if (error) {
 		sc->sc_uc_current = old_type;
 		return error;
@@ -4937,6 +4936,7 @@ iwm_suspend(device_t dev)
 static int
 iwm_detach_local(struct iwm_softc *sc, int do_net80211)
 {
+	struct iwm_fw_info *fw = &sc->sc_fw;
 	device_t dev = sc->sc_dev;
 	int i;
 
@@ -4953,6 +4953,10 @@ iwm_detach_local(struct iwm_softc *sc, int do_net80211)
 	for (i = 0; i < nitems(sc->txq); i++)
 		iwm_free_tx_ring(sc, &sc->txq[i]);
 
+	/* Free firmware */
+	if (fw->fw_fp != NULL)
+		iwm_fw_info_free(fw);
+
 	/* Free scheduler */
 	iwm_free_sched(sc);
 	if (sc->ict_dma.vaddr != NULL)