diff --git a/GPU/Debugger/Record.cpp b/GPU/Debugger/Record.cpp
index d9e17c7550..347e581f5a 100644
--- a/GPU/Debugger/Record.cpp
+++ b/GPU/Debugger/Record.cpp
@@ -207,7 +207,7 @@ static Path WriteRecording() {
 
 	FILE *fp = File::OpenCFile(filename, "wb");
 	Header header{};
-	strncpy(header.magic, HEADER_MAGIC, sizeof(header.magic));
+	memcpy(header.magic, HEADER_MAGIC, sizeof(header.magic));
 	header.version = VERSION;
 	strncpy(header.gameID, g_paramSFO.GetDiscID().c_str(), sizeof(header.gameID));
 	fwrite(&header, sizeof(header), 1, fp);
diff --git a/GPU/GPUCommon.cpp b/GPU/GPUCommon.cpp
index 4a16048ca8..3bc7a42c4d 100644
--- a/GPU/GPUCommon.cpp
+++ b/GPU/GPUCommon.cpp
@@ -1710,7 +1710,7 @@ void GPUCommon::DoBlockTransfer(u32 skipDrawReason) {
 	bool dstWraps = Memory::IsVRAMAddress(dstBasePtr) && !dstValid;
 
 	char tag[128];
-	size_t tagSize;
+	size_t tagSize = 0;
 
 	// Tell the framebuffer manager to take action if possible. If it does the entire thing, let's just return.
 	if (!framebufferManager_ || !framebufferManager_->NotifyBlockTransferBefore(dstBasePtr, dstStride, dstX, dstY, srcBasePtr, srcStride, srcX, srcY, width, height, bpp, skipDrawReason)) {
diff --git a/Qt/mainwindow.cpp b/Qt/mainwindow.cpp
index e982aff696..a41fb1b76f 100644
--- a/Qt/mainwindow.cpp
+++ b/Qt/mainwindow.cpp
@@ -117,7 +117,7 @@ void MainWindow::updateMenus()
 
 void MainWindow::bootDone()
 {
-	if (nextState == CORE_RUNNING)
+	if (nextState == CORE_RUNNING_CPU)
 		runAct();
 	updateMenus();
 }