diff --git a/flight/modules/Actuator/actuator.c b/flight/modules/Actuator/actuator.c
index d33772606..047dec650 100644
--- a/flight/modules/Actuator/actuator.c
+++ b/flight/modules/Actuator/actuator.c
@@ -101,7 +101,7 @@ typedef struct {
 int32_t ActuatorStart()
 {
     // Start main task
-    xTaskCreate(actuatorTask, (signed char *)"Actuator", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
+    xTaskCreate(actuatorTask, (const char *)"Actuator", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_ACTUATOR, taskHandle);
 #ifdef PIOS_INCLUDE_WDG
     PIOS_WDG_RegisterFlag(PIOS_WDG_ACTUATOR);
diff --git a/flight/modules/Attitude/attitude.c b/flight/modules/Attitude/attitude.c
index 83103750e..e48751a28 100644
--- a/flight/modules/Attitude/attitude.c
+++ b/flight/modules/Attitude/attitude.c
@@ -145,7 +145,7 @@ static const struct pios_board_info *bdinfo = &pios_board_info_blob;
 int32_t AttitudeStart(void)
 {
     // Start main task
-    xTaskCreate(AttitudeTask, (signed char *)"Attitude", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
+    xTaskCreate(AttitudeTask, (const char *)"Attitude", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_ATTITUDE, taskHandle);
     PIOS_WDG_RegisterFlag(PIOS_WDG_ATTITUDE);
 
diff --git a/flight/modules/ComUsbBridge/ComUsbBridge.c b/flight/modules/ComUsbBridge/ComUsbBridge.c
index 7be0976ce..02ca7fd3f 100644
--- a/flight/modules/ComUsbBridge/ComUsbBridge.c
+++ b/flight/modules/ComUsbBridge/ComUsbBridge.c
@@ -78,9 +78,9 @@ static int32_t comUsbBridgeStart(void)
 {
     if (bridge_enabled) {
         // Start tasks
-        xTaskCreate(com2UsbBridgeTask, (signed char *)"Com2UsbBridge", C2U_STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &com2UsbBridgeTaskHandle);
+        xTaskCreate(com2UsbBridgeTask, (const char *)"Com2UsbBridge", C2U_STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &com2UsbBridgeTaskHandle);
         PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_COM2USBBRIDGE, com2UsbBridgeTaskHandle);
-        xTaskCreate(usb2ComBridgeTask, (signed char *)"Usb2ComBridge", U2C_STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &usb2ComBridgeTaskHandle);
+        xTaskCreate(usb2ComBridgeTask, (const char *)"Usb2ComBridge", U2C_STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &usb2ComBridgeTaskHandle);
         PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_USB2COMBRIDGE, usb2ComBridgeTaskHandle);
         return 0;
     }
diff --git a/flight/modules/GPS/GPS.c b/flight/modules/GPS/GPS.c
index bdbad1f69..9a57fcedd 100644
--- a/flight/modules/GPS/GPS.c
+++ b/flight/modules/GPS/GPS.c
@@ -111,7 +111,7 @@ int32_t GPSStart(void)
     if (gpsEnabled) {
         if (gpsPort) {
             // Start gps task
-            xTaskCreate(gpsTask, (signed char *)"GPS", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &gpsTaskHandle);
+            xTaskCreate(gpsTask, (const char *)"GPS", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &gpsTaskHandle);
             PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_GPS, gpsTaskHandle);
             return 0;
         }
diff --git a/flight/modules/Receiver/receiver.c b/flight/modules/Receiver/receiver.c
index 579ae0e89..a130c74d7 100644
--- a/flight/modules/Receiver/receiver.c
+++ b/flight/modules/Receiver/receiver.c
@@ -110,7 +110,7 @@ static bool updateRcvrActivity(struct rcvr_activity_fsm *fsm);
 int32_t ReceiverStart()
 {
     // Start main task
-    xTaskCreate(receiverTask, (signed char *)"Receiver", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
+    xTaskCreate(receiverTask, (const char *)"Receiver", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &taskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_RECEIVER, taskHandle);
 #ifdef PIOS_INCLUDE_WDG
     PIOS_WDG_RegisterFlag(PIOS_WDG_MANUAL);
diff --git a/flight/modules/System/systemmod.c b/flight/modules/System/systemmod.c
index 13bf7b264..eab28eed1 100644
--- a/flight/modules/System/systemmod.c
+++ b/flight/modules/System/systemmod.c
@@ -120,7 +120,7 @@ int32_t SystemModStart(void)
     stackOverflow = STACKOVERFLOW_NONE;
     mallocFailed  = false;
     // Create system task
-    xTaskCreate(systemTask, (signed char *)"System", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &systemTaskHandle);
+    xTaskCreate(systemTask, (const char *)"System", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &systemTaskHandle);
     // Register task
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_SYSTEM, systemTaskHandle);
 
diff --git a/flight/modules/Telemetry/telemetry.c b/flight/modules/Telemetry/telemetry.c
index 3a969635b..6f0c36eec 100644
--- a/flight/modules/Telemetry/telemetry.c
+++ b/flight/modules/Telemetry/telemetry.c
@@ -124,13 +124,13 @@ int32_t TelemetryStart(void)
     GCSTelemetryStatsConnectQueue(priorityQueue);
 
     // Start telemetry tasks
-    xTaskCreate(telemetryTxTask, (signed char *)"TelTx", STACK_SIZE_TX_BYTES / 4, NULL, TASK_PRIORITY_TX, &telemetryTxTaskHandle);
+    xTaskCreate(telemetryTxTask, (const char *)"TelTx", STACK_SIZE_TX_BYTES / 4, NULL, TASK_PRIORITY_TX, &telemetryTxTaskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_TELEMETRYTX, telemetryTxTaskHandle);
-    xTaskCreate(telemetryRxTask, (signed char *)"TelRx", STACK_SIZE_RX_BYTES / 4, NULL, TASK_PRIORITY_RX, &telemetryRxTaskHandle);
+    xTaskCreate(telemetryRxTask, (const char *)"TelRx", STACK_SIZE_RX_BYTES / 4, NULL, TASK_PRIORITY_RX, &telemetryRxTaskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_TELEMETRYRX, telemetryRxTaskHandle);
 
 #ifdef PIOS_INCLUDE_RFM22B
-    xTaskCreate(radioRxTask, (signed char *)"RadioRx", STACK_SIZE_RADIO_RX_BYTES / 4, NULL, TASK_PRIORITY_RADRX, &radioRxTaskHandle);
+    xTaskCreate(radioRxTask, (const char *)"RadioRx", STACK_SIZE_RADIO_RX_BYTES / 4, NULL, TASK_PRIORITY_RADRX, &radioRxTaskHandle);
     PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_RADIORX, radioRxTaskHandle);
 #endif
 
diff --git a/flight/pios/common/pios_callbackscheduler.c b/flight/pios/common/pios_callbackscheduler.c
index 25b4b44e8..4f88599b8 100644
--- a/flight/pios/common/pios_callbackscheduler.c
+++ b/flight/pios/common/pios_callbackscheduler.c
@@ -45,7 +45,7 @@ struct DelayedCallbackTaskStruct {
     DelayedCallbackInfo *callbackQueue[CALLBACK_PRIORITY_LOW + 1];
     DelayedCallbackInfo *queueCursor[CALLBACK_PRIORITY_LOW + 1];
     xTaskHandle callbackSchedulerTaskHandle;
-    signed char name[3];
+    char name[3];
     uint32_t    stackSize;
     DelayedCallbackPriorityTask priorityTask;
     xSemaphoreHandle signal;