diff --git a/code/ryzom/client/src/interface_v3/sphrase_manager.cpp b/code/ryzom/client/src/interface_v3/sphrase_manager.cpp
index bb215b30b..e25900f91 100644
--- a/code/ryzom/client/src/interface_v3/sphrase_manager.cpp
+++ b/code/ryzom/client/src/interface_v3/sphrase_manager.cpp
@@ -4686,12 +4686,14 @@ NLMISC_COMMAND(regenTickRange, "Emulate regen tick range locally for a memory sl
 {
 	if (args.size() != 1 && args.size() != 2) return false;
 	CSPhraseManager *pPM = CSPhraseManager::getInstance();
-	const CSPhraseCom	&phrase = pPM->getPhrase(atoi(args[0].c_str()));
+	uint32 phraseId;
+	NLMISC::fromString(args[0], phraseId);
+	const CSPhraseCom	&phrase = pPM->getPhrase(phraseId);
 	uint64 powerBitField = CSPhraseManager::getPhraseRequiredFlags(phrase);
 	TGameCycle duration;
 	if (args.size() >= 2)
 	{
-		duration = (TGameCycle) atoi(args[1].c_str());
+		NLMISC::fromString(args[1], duration);
 	}
 	else
 	{
diff --git a/code/ryzom/client/src/npc_icon.cpp b/code/ryzom/client/src/npc_icon.cpp
index 4857a7ad0..7d03ede01 100644
--- a/code/ryzom/client/src/npc_icon.cpp
+++ b/code/ryzom/client/src/npc_icon.cpp
@@ -486,7 +486,8 @@ NLMISC_COMMAND(queryMissionGiverData, "Query mission giver data for the specifie
 {
 	if (args.size() == 0)
 		return false;
-	uint32 alias = atoi(args[0].c_str());
+	uint32 alias;
+	NLMISC::fromString(args[0], alias);
 
 	CNPCIconCache::getInstance().queryMissionGiverData(alias);
 	//giver.setDescTransient();