diff --git a/osal/rtems/Mutex.cpp b/osal/rtems/Mutex.cpp
index 71c5782f..7dd512fa 100644
--- a/osal/rtems/Mutex.cpp
+++ b/osal/rtems/Mutex.cpp
@@ -30,11 +30,11 @@ Mutex::~Mutex() {
 ReturnValue_t Mutex::lockMutex(TimeoutType timeoutType =
         TimeoutType::BLOCKING, uint32_t timeoutMs) {
 	rtems_status_code status = RTEMS_INVALID_ID;
-	if(timeoutMs == MutexIF::TimeoutType::BLOCKING) {
+	if(timeoutType == MutexIF::TimeoutType::BLOCKING) {
 		status = rtems_semaphore_obtain(mutexId,
 				RTEMS_WAIT, RTEMS_NO_TIMEOUT);
 	}
-	else if(timeoutMs == MutexIF::TimeoutType::POLLING) {
+	else if(timeoutType == MutexIF::TimeoutType::POLLING) {
 		timeoutMs = RTEMS_NO_TIMEOUT;
 		status = rtems_semaphore_obtain(mutexId,
 				RTEMS_NO_WAIT, 0);