diff --git a/rpcs3/ds3_pad_handler.cpp b/rpcs3/ds3_pad_handler.cpp
index 0bf7edad04..69ad127cc0 100644
--- a/rpcs3/ds3_pad_handler.cpp
+++ b/rpcs3/ds3_pad_handler.cpp
@@ -318,7 +318,7 @@ std::shared_ptr<ds3_pad_handler::ds3_device> ds3_pad_handler::get_device(const s
 
 	int pad_number = std::stoi(padId.substr(pos + 9));
 	if (pad_number > 0 && pad_number <= controllers.size())
-		return controllers[pad_number - 1];
+		return controllers[static_cast<size_t>(pad_number) - 1];
 
 	return nullptr;
 }
diff --git a/rpcs3/ds3_pad_handler.h b/rpcs3/ds3_pad_handler.h
index 05592b0006..fe58cdb3ca 100644
--- a/rpcs3/ds3_pad_handler.h
+++ b/rpcs3/ds3_pad_handler.h
@@ -106,7 +106,7 @@ class ds3_pad_handler final : public PadHandlerBase
 		std::string device = {};
 		hid_device *handle = nullptr;
 		pad_config* config{ nullptr };
-		u8 buf[64];
+		u8 buf[64]{ 0 };
 		u8 large_motor = 0;
 		u8 small_motor = 0;
 		u8 status = DS3Status::Disconnected;
diff --git a/rpcs3/rpcs3qt/save_data_dialog.cpp b/rpcs3/rpcs3qt/save_data_dialog.cpp
index 6f422b925e..42add41ca6 100644
--- a/rpcs3/rpcs3qt/save_data_dialog.cpp
+++ b/rpcs3/rpcs3qt/save_data_dialog.cpp
@@ -1,4 +1,4 @@
-#include "save_data_dialog.h"
+#include "save_data_dialog.h"
 #include "save_data_list_dialog.h"
 
 #include <Emu/IdManager.h>
diff --git a/rpcs3/rpcs3qt/save_data_dialog.h b/rpcs3/rpcs3qt/save_data_dialog.h
index c0db209e19..2a49f37d4d 100644
--- a/rpcs3/rpcs3qt/save_data_dialog.h
+++ b/rpcs3/rpcs3qt/save_data_dialog.h
@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "stdafx.h"
 #include "Emu/Memory/vm.h"
diff --git a/rpcs3/rpcs3qt/save_data_list_dialog.cpp b/rpcs3/rpcs3qt/save_data_list_dialog.cpp
index fa50b4f00b..906ad07550 100644
--- a/rpcs3/rpcs3qt/save_data_list_dialog.cpp
+++ b/rpcs3/rpcs3qt/save_data_list_dialog.cpp
@@ -14,7 +14,7 @@ constexpr auto qstr = QString::fromStdString;
 //Show up the savedata list, either to choose one to save/load or to manage saves.
 //I suggest to use function callbacks to give save data list or get save data entry. (Not implemented or stubbed)
 save_data_list_dialog::save_data_list_dialog(const std::vector<SaveDataEntry>& entries, s32 focusedEntry, u32 op, vm::ptr<CellSaveDataListSet> listSet, QWidget* parent)
-	: QDialog(parent), m_save_entries(entries), m_entry(selection_code::new_save), m_entry_label(nullptr)
+	: QDialog(parent), m_save_entries(entries), m_entry(selection_code::new_save), m_entry_label(nullptr), m_sort_column(0), m_sort_ascending(true)
 {
 	if (op >= 8)
 	{
diff --git a/rpcs3/rpcs3qt/save_data_list_dialog.h b/rpcs3/rpcs3qt/save_data_list_dialog.h
index 4273eaa22d..3bbafecd2b 100644
--- a/rpcs3/rpcs3qt/save_data_list_dialog.h
+++ b/rpcs3/rpcs3qt/save_data_list_dialog.h
@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 // I just want the struct for the save data.
 #include "stdafx.h"
@@ -35,9 +35,9 @@ private:
 	void UpdateList(void);
 
 	s32 m_entry;
-	QLabel* m_entry_label;
+	QLabel* m_entry_label = nullptr;
 
-	QTableWidget* m_list;
+	QTableWidget* m_list = nullptr;
 	std::vector<SaveDataEntry> m_save_entries;
 
 	std::shared_ptr<gui_settings> m_gui_settings;
diff --git a/rpcs3/rpcs3qt/save_manager_dialog.cpp b/rpcs3/rpcs3qt/save_manager_dialog.cpp
index 332b8e5ce7..6f694e770a 100644
--- a/rpcs3/rpcs3qt/save_manager_dialog.cpp
+++ b/rpcs3/rpcs3qt/save_manager_dialog.cpp
@@ -25,7 +25,8 @@ namespace
 	constexpr auto qstr = QString::fromStdString;
 	inline std::string sstr(const QString& _in) { return _in.toStdString(); }
 
-	QString FormatTimestamp(u64 time) {
+	QString FormatTimestamp(u64 time)
+	{
 		QDateTime dateTime;
 		dateTime.setTime_t(time);
 		return dateTime.toString("yyyy-MM-dd HH:mm:ss");
diff --git a/rpcs3/xinput_pad_handler.h b/rpcs3/xinput_pad_handler.h
index 8bf2d91d6e..eb9d6c6f27 100644
--- a/rpcs3/xinput_pad_handler.h
+++ b/rpcs3/xinput_pad_handler.h
@@ -135,5 +135,5 @@ private:
 
 	// holds internal controller state change
 	XINPUT_STATE state;
-	DWORD result;
+	DWORD result{ 0 };
 };