diff --git a/Core/FileSystems/BlockDevices.cpp b/Core/FileSystems/BlockDevices.cpp
index 31a21a63fc..50db73c4d2 100644
--- a/Core/FileSystems/BlockDevices.cpp
+++ b/Core/FileSystems/BlockDevices.cpp
@@ -309,7 +309,7 @@ bool CISOFileBlockDevice::ReadBlock(int blockNumber, u8 *outPtr)
 			return false;
 		}
 		z.avail_in = readSize;
-		z.next_out = frameSize == GetBlockSize() ? outPtr : zlibBuffer;
+		z.next_out = frameSize == (u32)GetBlockSize() ? outPtr : zlibBuffer;
 		z.avail_out = frameSize;
 		z.next_in = readBuffer;
 
@@ -330,7 +330,7 @@ bool CISOFileBlockDevice::ReadBlock(int blockNumber, u8 *outPtr)
 		}
 		inflateEnd(&z);
 
-		if (frameSize != GetBlockSize())
+		if (frameSize != (u32)GetBlockSize())
 		{
 			zlibBufferFrame = frameNumber;
 			memcpy(outPtr, zlibBuffer + compressedOffset, GetBlockSize());
diff --git a/Core/MIPS/JitCommon/JitBlockCache.cpp b/Core/MIPS/JitCommon/JitBlockCache.cpp
index e4458cfbf2..e8b6cdbe43 100644
--- a/Core/MIPS/JitCommon/JitBlockCache.cpp
+++ b/Core/MIPS/JitCommon/JitBlockCache.cpp
@@ -222,12 +222,12 @@ void JitBlockCache::RemoveBlockMap(int block_num) {
 
 	const u32 pAddr = b.originalAddress & 0x1FFFFFFF;
 	auto it = block_map_.find(std::make_pair(pAddr + 4 * b.originalSize, pAddr));
-	if (it != block_map_.end() && it->second == block_num) {
+	if (it != block_map_.end() && it->second == (u32)block_num) {
 		block_map_.erase(it);
 	} else {
 		// It wasn't in there, or it has the wrong key.  Let's search...
 		for (auto it = block_map_.begin(); it != block_map_.end(); ++it) {
-			if (it->second == block_num) {
+			if (it->second == (u32)block_num) {
 				block_map_.erase(it);
 				break;
 			}