diff --git a/source/glest_game/ai/ai_rule.cpp b/source/glest_game/ai/ai_rule.cpp
index 38eb37ec..44bba621 100644
--- a/source/glest_game/ai/ai_rule.cpp
+++ b/source/glest_game/ai/ai_rule.cpp
@@ -540,14 +540,14 @@ void AiRuleProduce::produceSpecific(const ProduceTask *pt){
 					
 					if(currentProducerIndex >= aiInterface->getMyUnitCount()) {
 						char szBuf[1024]="";
-						printf("In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,producers.size() = %d\n",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,producers.size());
-						sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,producers.size() = %d",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,producers.size());
+						printf("In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,producers.size() = %u\n",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,producers.size());
+						sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,producers.size() = %u",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,producers.size());
 						throw runtime_error(szBuf);
 					}
 					if(prIndex >= producers.size()) {
 						char szBuf[1024]="";
-						printf("In [%s::%s Line: %d] prIndex >= producers.size(), currentProducerIndex = %d, i = %d,producers.size() = %d \n",__FILE__,__FUNCTION__,__LINE__,prIndex,i,producers.size());
-						sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= producers.size(), currentProducerIndex = %d, i = %d,producers.size() = %d",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,i,producers.size());
+						printf("In [%s::%s Line: %d] prIndex >= producers.size(), currentProducerIndex = %d, i = %d,producers.size() = %u \n",__FILE__,__FUNCTION__,__LINE__,prIndex,i,producers.size());
+						sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= producers.size(), currentProducerIndex = %d, i = %d,producers.size() = %u",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,i,producers.size());
 						throw runtime_error(szBuf);
 					}
 
@@ -610,14 +610,14 @@ void AiRuleProduce::produceSpecific(const ProduceTask *pt){
 
 							if(currentProducerIndex >= aiInterface->getMyUnitCount()) {
 								char szBuf[1024]="";
-								printf("In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,backupProducers.size() = %d\n",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,backupProducers.size());
-								sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,backupProducers.size() = %d",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,backupProducers.size());
+								printf("In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,backupProducers.size() = %u\n",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,backupProducers.size());
+								sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= aiInterface->getMyUnitCount(), currentProducerIndex = %d, aiInterface->getMyUnitCount() = %d, i = %d,backupProducers.size() = %u",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,aiInterface->getMyUnitCount(),i,backupProducers.size());
 								throw runtime_error(szBuf);
 							}
 							if(prIndex >= backupProducers.size()) {
 								char szBuf[1024]="";
-								printf("In [%s::%s Line: %d] prIndex >= backupProducers.size(), currentProducerIndex = %d, i = %d,backupProducers.size() = %d \n",__FILE__,__FUNCTION__,__LINE__,prIndex,i,backupProducers.size());
-								sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= backupProducers.size(), currentProducerIndex = %d, i = %d,backupProducers.size() = %d",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,i,backupProducers.size());
+								printf("In [%s::%s Line: %d] prIndex >= backupProducers.size(), currentProducerIndex = %d, i = %d,backupProducers.size() = %u \n",__FILE__,__FUNCTION__,__LINE__,prIndex,i,backupProducers.size());
+								sprintf(szBuf,"In [%s::%s Line: %d] currentProducerIndex >= backupProducers.size(), currentProducerIndex = %d, i = %d,backupProducers.size() = %u",__FILE__,__FUNCTION__,__LINE__,currentProducerIndex,i,backupProducers.size());
 								throw runtime_error(szBuf);
 							}
 
diff --git a/source/glest_game/network/client_interface.cpp b/source/glest_game/network/client_interface.cpp
index 3d896cc1..ce522e9b 100755
--- a/source/glest_game/network/client_interface.cpp
+++ b/source/glest_game/network/client_interface.cpp
@@ -687,7 +687,7 @@ void ClientInterface::waitUntilReady(Checksum* checksum) {
 						lastMillisCheck = (chrono.getMillis() / 1000);
 
 						char szBuf[1024]="";
-						sprintf(szBuf,"Waiting for network: %llu seconds elapsed (maximum wait time: %d seconds)",lastMillisCheck,int(readyWaitTimeout / 1000));
+						sprintf(szBuf,"Waiting for network: %lld seconds elapsed (maximum wait time: %d seconds)",lastMillisCheck,int(readyWaitTimeout / 1000));
 						logger.add(szBuf, true);
 					}
 				}
diff --git a/source/glest_game/types/unit_type.cpp b/source/glest_game/types/unit_type.cpp
index 60cbf5de..9f3e46a9 100644
--- a/source/glest_game/types/unit_type.cpp
+++ b/source/glest_game/types/unit_type.cpp
@@ -613,7 +613,7 @@ const CommandType* UnitType::findCommandTypeById(int id) const{
 const CommandType *UnitType::getCommandType(int i) const {
 	if(i >= commandTypes.size()) {
 		char szBuf[1024]="";
-		sprintf(szBuf,"In [%s::%s Line: %d] i >= commandTypes.size(), i = %d, commandTypes.size() = %d",__FILE__,__FUNCTION__,__LINE__,i,commandTypes.size());
+		sprintf(szBuf,"In [%s::%s Line: %d] i >= commandTypes.size(), i = %d, commandTypes.size() = %u",__FILE__,__FUNCTION__,__LINE__,i,commandTypes.size());
 		throw runtime_error(szBuf);
 	}
 	return commandTypes[i];