diff --git a/src/citra/citra.cpp b/src/citra/citra.cpp
index f9387e61c..3114a71db 100644
--- a/src/citra/citra.cpp
+++ b/src/citra/citra.cpp
@@ -18,7 +18,7 @@
 #endif
 
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 #include "citra/config.h"
diff --git a/src/citra/citra.rc b/src/citra/citra.rc
index b0edb2e6b..fea603004 100644
--- a/src/citra/citra.rc
+++ b/src/citra/citra.rc
@@ -5,5 +5,5 @@
 
 // Icon with lowest ID value placed first to ensure application icon
 // remains consistent on all systems.
-GLFW_ICON               ICON                    "..\\..\\dist\\citra.ico"
+CITRA_ICON              ICON                    "../../dist/citra.ico"
 
diff --git a/src/citra_qt/citra-qt.rc b/src/citra_qt/citra-qt.rc
index 3c7239853..fea603004 100644
--- a/src/citra_qt/citra-qt.rc
+++ b/src/citra_qt/citra-qt.rc
@@ -5,5 +5,5 @@
 
 // Icon with lowest ID value placed first to ensure application icon
 // remains consistent on all systems.
-IDI_ICON1               ICON                    "..\\..\\dist\\citra.ico"
+CITRA_ICON              ICON                    "../../dist/citra.ico"
 
diff --git a/src/common/bit_set.h b/src/common/bit_set.h
index c48b3b769..3059d0cb0 100644
--- a/src/common/bit_set.h
+++ b/src/common/bit_set.h
@@ -16,7 +16,7 @@ namespace Common {
 
 // Helper functions:
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 template <typename T>
 static inline int CountSetBits(T v) {
     // from https://graphics.stanford.edu/~seander/bithacks.html
diff --git a/src/common/logging/text_formatter.cpp b/src/common/logging/text_formatter.cpp
index d61c1696b..9d423766f 100644
--- a/src/common/logging/text_formatter.cpp
+++ b/src/common/logging/text_formatter.cpp
@@ -7,7 +7,7 @@
 
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 #include "common/assert.h"
diff --git a/src/common/string_util.cpp b/src/common/string_util.cpp
index df1008180..bad311793 100644
--- a/src/common/string_util.cpp
+++ b/src/common/string_util.cpp
@@ -14,7 +14,7 @@
 
 #ifdef _WIN32
 #include <codecvt>
-#include <Windows.h>
+#include <windows.h>
 #include "common/common_funcs.h"
 #else
 #include <iconv.h>
diff --git a/src/common/thread.cpp b/src/common/thread.cpp
index 9bb2f4e1d..9e207118f 100644
--- a/src/common/thread.cpp
+++ b/src/common/thread.cpp
@@ -6,7 +6,7 @@
 #ifdef __APPLE__
 #include <mach/mach.h>
 #elif defined(_WIN32)
-#include <Windows.h>
+#include <windows.h>
 #else
 #if defined(__Bitrig__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <pthread_np.h>
diff --git a/src/common/timer.cpp b/src/common/timer.cpp
index e843cbd9c..c9803109e 100644
--- a/src/common/timer.cpp
+++ b/src/common/timer.cpp
@@ -4,7 +4,8 @@
 
 #include <time.h>
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
+// windows.h needs to be included before other windows headers
 #include <mmsystem.h>
 #include <sys/timeb.h>
 #else
diff --git a/src/core/gdbstub/gdbstub.cpp b/src/core/gdbstub/gdbstub.cpp
index aea43e92b..21d941363 100644
--- a/src/core/gdbstub/gdbstub.cpp
+++ b/src/core/gdbstub/gdbstub.cpp
@@ -15,8 +15,8 @@
 #include <fcntl.h>
 
 #ifdef _WIN32
-#include <WinSock2.h>
-#include <common/x64/abi.h>
+#include <winsock2.h>
+// winsock2.h needs to be included first to prevent winsock.h being included by other includes
 #include <io.h>
 #include <iphlpapi.h>
 #include <ws2tcpip.h>