diff --git sys/dev/iwlwifi/iwl-drv.c sys/dev/iwlwifi/iwl-drv.c
index b09d55e33650..fe72097c1629 100644
--- sys/dev/iwlwifi/iwl-drv.c
+++ sys/dev/iwlwifi/iwl-drv.c
@@ -1721,6 +1721,7 @@ struct iwl_mod_params iwlwifi_mod_params = {
 	.disable_11n = 1,
 	.disable_11ac = true,
 	.disable_11ax = true,
+	.disable_msix = true,
 #endif
 	/* the rest are 0 by default */
 };
@@ -1884,3 +1885,6 @@ MODULE_PARM_DESC(remove_when_gone,
 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
 		   S_IRUGO);
 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
+
+module_param_named(disable_msix, iwlwifi_mod_params.disable_msix, bool, 0444);
+MODULE_PARM_DESC(disable_msix, "Disable MSI-X capabilities (default: false)");
diff --git sys/dev/iwlwifi/iwl-modparams.h sys/dev/iwlwifi/iwl-modparams.h
index 32fabd80656c..a2503a29052c 100644
--- sys/dev/iwlwifi/iwl-modparams.h
+++ sys/dev/iwlwifi/iwl-modparams.h
@@ -87,6 +87,7 @@ struct iwl_mod_params {
 	bool disable_11ax;
 	bool remove_when_gone;
 	bool enable_ini;
+	bool disable_msix;
 };
 
 static inline bool iwl_enable_rx_ampdu(void)
diff --git sys/dev/iwlwifi/pcie/trans.c sys/dev/iwlwifi/pcie/trans.c
index 714ce2441fdb..c98d3b3583e5 100644
--- sys/dev/iwlwifi/pcie/trans.c
+++ sys/dev/iwlwifi/pcie/trans.c
@@ -1562,6 +1562,9 @@ iwl_pcie_set_interrupt_capa(struct pci_dev *pdev,
 	u16 pci_cmd;
 	u32 max_rx_queues = IWL_MAX_RX_HW_QUEUES;
 
+	if (iwlwifi_mod_params.disable_msix)
+		goto enable_msi;
+
 	if (!cfg_trans->mq_rx_supported)
 		goto enable_msi;