diff --git a/deepcool.c b/deepcool.c
index 653545f..94ccc77 100644
--- a/deepcool.c
+++ b/deepcool.c
@@ -343,11 +343,13 @@ static void deepcool_handle_auto_mode(struct deepcool_device *ddata) {
 // Device communication
 
 static int deepcool_send_ak620_pro_packet(struct deepcool_device *ddata) {
-  u8 data[64] = {0};
+  u8 *data = kzalloc(64, GFP_KERNEL);
   u16 checksum = 0;
   u16 power, freq;
   u8 temp;
   int i, ret;
+  if (!data)
+    return -ENOMEM;
 
   // Packet header
   data[0] = 16;
@@ -395,7 +397,8 @@ static int deepcool_send_ak620_pro_packet(struct deepcool_device *ddata) {
   data[19] = 22;
 
   // Send HID output report
-  ret = hid_hw_output_report(ddata->hdev, data, sizeof(data));
+  ret = hid_hw_output_report(ddata->hdev, data, 64);
+  kfree(data);
   if (ret < 0) {
     hid_err(ddata->hdev, "Failed to send packet: %d\n", ret);
     return ret;
@@ -405,11 +408,13 @@ static int deepcool_send_ak620_pro_packet(struct deepcool_device *ddata) {
 }
 
 static int deepcool_send_ak_series_packet(struct deepcool_device *ddata) {
-  u8 data[64] = {0};
+  u8 *data = kzalloc(64, GFP_KERNEL);
   u16 checksum = 0;
   enum deepcool_mode current_mode;
   u8 mode_byte;
   int i, ret;
+  if (!data)
+    return -ENOMEM;
 
   // Determine current mode
   if (ddata->mode == MODE_AUTO) {
@@ -459,7 +464,8 @@ static int deepcool_send_ak_series_packet(struct deepcool_device *ddata) {
   data[8] = 22;
 
   // Send HID output report
-  ret = hid_hw_output_report(ddata->hdev, data, sizeof(data));
+  ret = hid_hw_output_report(ddata->hdev, data, 64);
+  kfree(data);
   if (ret < 0) {
     hid_err(ddata->hdev, "Failed to send packet: %d\n", ret);
     return ret;
@@ -469,12 +475,14 @@ static int deepcool_send_ak_series_packet(struct deepcool_device *ddata) {
 }
 
 static int deepcool_send_ls_series_packet(struct deepcool_device *ddata) {
-  u8 data[64] = {0};
+  u8 *data = kzalloc(64, GFP_KERNEL);
   u16 checksum = 0;
   enum deepcool_mode current_mode;
   u8 mode_byte;
   u16 value;
   int i, ret;
+  if (!data)
+    return -ENOMEM;
 
   // Determine current mode
   if (ddata->mode == MODE_AUTO) {
@@ -525,7 +533,8 @@ static int deepcool_send_ls_series_packet(struct deepcool_device *ddata) {
   data[8] = 22;
 
   // Send HID output report
-  ret = hid_hw_output_report(ddata->hdev, data, sizeof(data));
+  ret = hid_hw_output_report(ddata->hdev, data, 64);
+  kfree(data);
   if (ret < 0) {
     hid_err(ddata->hdev, "Failed to send packet: %d\n", ret);
     return ret;
@@ -535,11 +544,13 @@ static int deepcool_send_ls_series_packet(struct deepcool_device *ddata) {
 }
 
 static int deepcool_send_ag_series_packet(struct deepcool_device *ddata) {
-  u8 data[64] = {0};
+  u8 *data = kzalloc(64, GFP_KERNEL);
   u16 checksum = 0;
   enum deepcool_mode current_mode;
   u8 mode_byte;
   int i, ret;
+  if (!data)
+    return -ENOMEM;
 
   // Determine current mode
   if (ddata->mode == MODE_AUTO) {
@@ -586,7 +597,8 @@ static int deepcool_send_ag_series_packet(struct deepcool_device *ddata) {
   data[8] = 22; // termination byte
 
   // Send HID output report
-  ret = hid_hw_output_report(ddata->hdev, data, sizeof(data));
+  ret = hid_hw_output_report(ddata->hdev, data, 64);
+  kfree(data);
   if (ret < 0) {
     hid_err(ddata->hdev, "Failed to send packet: %d\n", ret);
     return ret;