diff --git a/Source/Core/Core/NetPlayServer.cpp b/Source/Core/Core/NetPlayServer.cpp
index 3b0112772a..1e86cf0e2d 100644
--- a/Source/Core/Core/NetPlayServer.cpp
+++ b/Source/Core/Core/NetPlayServer.cpp
@@ -367,7 +367,7 @@ unsigned int NetPlayServer::OnDisconnect(const Client& player)
         sf::Packet spac;
         spac << (MessageId)NP_MSG_DISABLE_GAME;
         // this thread doesn't need players lock
-        SendToClients(spac, -1);
+        SendToClients(spac, static_cast<PlayerId>(-1));
         break;
       }
     }
diff --git a/Source/Core/VideoCommon/Fifo.cpp b/Source/Core/VideoCommon/Fifo.cpp
index 377d7d5010..cedbea5432 100644
--- a/Source/Core/VideoCommon/Fifo.cpp
+++ b/Source/Core/VideoCommon/Fifo.cpp
@@ -353,7 +353,7 @@ void RunGpuLoop()
                 DataReader(s_video_buffer_read_ptr, write_ptr), &cyclesExecuted, false);
 
             Common::AtomicStore(fifo.CPReadPointer, readPtr);
-            Common::AtomicAdd(fifo.CPReadWriteDistance, -32);
+            Common::AtomicAdd(fifo.CPReadWriteDistance, static_cast<u32>(-32));
             if ((write_ptr - s_video_buffer_read_ptr) == 0)
               Common::AtomicStore(fifo.SafeCPReadPointer, fifo.CPReadPointer);