diff --git a/datapool/DataPoolAdmin.cpp b/datapool/DataPoolAdmin.cpp
index 3ac3ef6a8..3ea266ea8 100644
--- a/datapool/DataPoolAdmin.cpp
+++ b/datapool/DataPoolAdmin.cpp
@@ -26,7 +26,7 @@ MessageQueueId_t DataPoolAdmin::getCommandQueue() const {
 }
 
 ReturnValue_t DataPoolAdmin::executeAction(ActionId_t actionId,
-		MessageQueueId_t commandedBy, const uint8_t* data, uint32_t size) {
+		MessageQueueId_t commandedBy, const uint8_t* data, size_t size) {
 	if (actionId != SET_VALIDITY) {
 		return INVALID_ACTION_ID;
 	}
@@ -91,7 +91,7 @@ void DataPoolAdmin::handleCommand() {
 }
 
 ReturnValue_t DataPoolAdmin::handleMemoryLoad(uint32_t address,
-		const uint8_t* data, uint32_t size, uint8_t** dataPointer) {
+		const uint8_t* data, size_t size, uint8_t** dataPointer) {
 	uint32_t poolId = ::dataPool.PIDToDataPoolId(address);
 	uint8_t arrayIndex = ::dataPool.PIDToArrayIndex(address);
 	DataSet testSet;
@@ -129,7 +129,7 @@ ReturnValue_t DataPoolAdmin::handleMemoryLoad(uint32_t address,
 	return ACTIVITY_COMPLETED;
 }
 
-ReturnValue_t DataPoolAdmin::handleMemoryDump(uint32_t address, uint32_t size,
+ReturnValue_t DataPoolAdmin::handleMemoryDump(uint32_t address, size_t size,
 		uint8_t** dataPointer, uint8_t* copyHere) {
 	uint32_t poolId = ::dataPool.PIDToDataPoolId(address);
 	uint8_t arrayIndex = ::dataPool.PIDToArrayIndex(address);
@@ -151,7 +151,7 @@ ReturnValue_t DataPoolAdmin::handleMemoryDump(uint32_t address, uint32_t size,
 				PoolVariableIF::VAR_READ);
 		status = rawSet.read();
 		if (status == RETURN_OK) {
-			uint32_t temp = 0;
+			size_t temp = 0;
 			status = variable.getEntryEndianSafe(ptrToCopy, &temp, size);
 			if (status != RETURN_OK) {
 				return RETURN_FAILED;
diff --git a/datapool/DataPoolAdmin.h b/datapool/DataPoolAdmin.h
index 448d78fbc..1be920b54 100644
--- a/datapool/DataPoolAdmin.h
+++ b/datapool/DataPoolAdmin.h
@@ -29,12 +29,12 @@ public:
 	MessageQueueId_t getCommandQueue() const;
 
 	ReturnValue_t handleMemoryLoad(uint32_t address, const uint8_t* data,
-			uint32_t size, uint8_t** dataPointer);
-	ReturnValue_t handleMemoryDump(uint32_t address, uint32_t size,
+			size_t size, uint8_t** dataPointer);
+	ReturnValue_t handleMemoryDump(uint32_t address, size_t size,
 			uint8_t** dataPointer, uint8_t* copyHere);
 
 	ReturnValue_t executeAction(ActionId_t actionId,
-			MessageQueueId_t commandedBy, const uint8_t* data, uint32_t size);
+			MessageQueueId_t commandedBy, const uint8_t* data, size_t size);
 
 	//not implemented as ParameterHelper is no used
 	ReturnValue_t getParameter(uint8_t domainId, uint16_t parameterId,