diff --git a/Fw/Comp/ActiveComponentBase.cpp b/Fw/Comp/ActiveComponentBase.cpp
index 879cd75342..7a7975f363 100644
--- a/Fw/Comp/ActiveComponentBase.cpp
+++ b/Fw/Comp/ActiveComponentBase.cpp
@@ -60,7 +60,7 @@ namespace Fw {
         taskName = this->getObjName();
 #else
         char taskNameChar[FW_TASK_NAME_BUFFER_SIZE];
-        (void)snprintf(taskNameChar,sizeof(taskNameChar),"ActComp_%d",Os::Task::getNumTasks());
+        (void)snprintf(taskNameChar,sizeof(taskNameChar),"ActComp_%" PRI_FwSizeType,Os::Task::getNumTasks());
         taskName = taskNameChar;
 #endif
         // Cooperative threads tasks externalize the task loop, and as such use the state machine as their task function
diff --git a/Fw/Comp/QueuedComponentBase.cpp b/Fw/Comp/QueuedComponentBase.cpp
index 0c91d9ae63..b649093ff2 100644
--- a/Fw/Comp/QueuedComponentBase.cpp
+++ b/Fw/Comp/QueuedComponentBase.cpp
@@ -37,7 +37,7 @@ namespace Fw {
         queueName = this->m_objName;
 #else
         char queueNameChar[FW_QUEUE_NAME_BUFFER_SIZE];
-        (void)snprintf(queueNameChar,sizeof(queueNameChar),"CompQ_%d",Os::Queue::getNumQueues());
+        (void)snprintf(queueNameChar,sizeof(queueNameChar),"CompQ_%" PRI_FwSizeType,Os::Queue::getNumQueues());
         queueName = queueNameChar;
 #endif
     	return this->m_queue.create(queueName, depth, msgSize);