diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 720e5198b437310034f2338e4963d27d70af005a..985f6c2654fb59ba510c862e1c2615fb278cc1ce 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1508,7 +1508,6 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 	}
 
 	adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number);
-	adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff;
 	adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna);
 
 	if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) {
@@ -1552,6 +1551,13 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 						adapter->key_api_major_ver,
 						adapter->key_api_minor_ver);
 					break;
+				case FW_API_VER_ID:
+					adapter->fw_api_ver =
+							api_rev->major_ver;
+					dev_dbg(adapter->dev,
+						"Firmware api version %d\n",
+						adapter->fw_api_ver);
+					break;
 				default:
 					dev_warn(adapter->dev,
 						 "Unknown api_id: %d\n",
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index adc47f3ea1224bf4187eb216aa2e29376155e549..6a703ea18800b417f839ecc284a8d05a74ea6c9f 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -846,6 +846,7 @@ struct host_cmd_ds_802_11_ps_mode_enh {
 
 enum API_VER_ID {
 	KEY_API_VER_ID = 1,
+	FW_API_VER_ID = 2,
 };
 
 struct hw_spec_api_rev {