diff --git a/Core/HLE/sceNet.cpp b/Core/HLE/sceNet.cpp
index 6b88d4dd5c..110c2ab89e 100644
--- a/Core/HLE/sceNet.cpp
+++ b/Core/HLE/sceNet.cpp
@@ -306,7 +306,7 @@ int sceNetEtherNtostr(const char *mac, u32 bufferPtr) {
 	DEBUG_LOG(HLE, "UNTESTED sceNetEtherNtostr(%s, %x)", mac, bufferPtr);
 	if(Memory::IsValidAddress(bufferPtr)) {
 		size_t len = strlen(mac);
-		for (int i = 0; i < len; i++)
+		for (size_t i = 0; i < len; i++)
 			Memory::Write_U8(mac[i], bufferPtr + i);
 	}
 	else