diff --git a/Core/HLE/sceNetAdhoc.cpp b/Core/HLE/sceNetAdhoc.cpp
index e1f5b69867..ea7347272a 100644
--- a/Core/HLE/sceNetAdhoc.cpp
+++ b/Core/HLE/sceNetAdhoc.cpp
@@ -5605,7 +5605,7 @@ void __NetMatchingCallbacks() //(int matchingId)
 		if (actionAfterMatchingMipsCall < 0) {
 			actionAfterMatchingMipsCall = __KernelRegisterActionType(AfterMatchingMipsCall::Create);
 		}
-		DEBUG_LOG(SCENET, "AdhocMatching - Remaining Events: %d", (int)matchingEvents.size());
+		DEBUG_LOG(SCENET, "AdhocMatching - Remaining Events: %zu", matchingEvents.size());
 		DEBUG_LOG(SCENET, "AdhocMatchingCallback: [ID=%i][EVENT=%i][%s]", args[0], args[1], mac2str((SceNetEtherAddr*)Memory::GetPointer(args[2])).c_str());
 		AfterMatchingMipsCall* after = (AfterMatchingMipsCall*)__KernelCreateAction(actionAfterMatchingMipsCall);
 		after->SetData(args[0], args[1], args[2]);