diff --git a/include/SFML/System/Utf.inl b/include/SFML/System/Utf.inl
index 091b7a13bd..3f0c81f327 100644
--- a/include/SFML/System/Utf.inl
+++ b/include/SFML/System/Utf.inl
@@ -675,7 +675,7 @@ Uint32 Utf<32>::decodeWide(In input)
     // In both cases, a simple copy is enough (UCS-2 is a subset of UCS-4,
     // and UCS-4 *is* UTF-32).
 
-    return input;
+    return static_cast<Uint32>(input);
 }
 
 
diff --git a/src/SFML/System/Err.cpp b/src/SFML/System/Err.cpp
index 377da23e09..4dc2f50943 100644
--- a/src/SFML/System/Err.cpp
+++ b/src/SFML/System/Err.cpp
@@ -83,7 +83,7 @@ class DefaultErrStreamBuf : public std::streambuf
         if (pbase() != pptr())
         {
             // Print the contents of the write buffer into the standard error output
-            std::size_t size = static_cast<int>(pptr() - pbase());
+            std::size_t size = static_cast<std::size_t>(pptr() - pbase());
             fwrite(pbase(), 1, size, stderr);
 
             // Reset the pointer position to the beginning of the write buffer
diff --git a/src/SFML/Window/Win32/CursorImpl.cpp b/src/SFML/Window/Win32/CursorImpl.cpp
index 3e173a7dae..a9cc8869e0 100755
--- a/src/SFML/Window/Win32/CursorImpl.cpp
+++ b/src/SFML/Window/Win32/CursorImpl.cpp
@@ -140,7 +140,7 @@ bool CursorImpl::loadFromSystem(Cursor::Type type)
 {
     release();
 
-    LPCTSTR shape;
+    LPCTSTR shape = NULL;
     switch (type)
     {
         case Cursor::Arrow:                  shape = IDC_ARROW;       break;
diff --git a/src/SFML/Window/Win32/InputImpl.cpp b/src/SFML/Window/Win32/InputImpl.cpp
index 6314fe61f3..dc37cf9f0c 100644
--- a/src/SFML/Window/Win32/InputImpl.cpp
+++ b/src/SFML/Window/Win32/InputImpl.cpp
@@ -157,7 +157,7 @@ bool InputImpl::isKeyPressed(Keyboard::Key key)
 
 
 ////////////////////////////////////////////////////////////
-void InputImpl::setVirtualKeyboardVisible(bool visible)
+void InputImpl::setVirtualKeyboardVisible(bool /*visible*/)
 {
     // Not applicable
 }
diff --git a/src/SFML/Window/Win32/JoystickImpl.cpp b/src/SFML/Window/Win32/JoystickImpl.cpp
index 3719926162..84985d496f 100644
--- a/src/SFML/Window/Win32/JoystickImpl.cpp
+++ b/src/SFML/Window/Win32/JoystickImpl.cpp
@@ -523,12 +523,12 @@ bool JoystickImpl::openDInput(unsigned int index)
     m_buffered = false;
 
     // Search for a joystick with the given index in the connected list
-    for (std::vector<JoystickRecord>::iterator i = joystickList.begin(); i != joystickList.end(); ++i)
+    for (std::vector<JoystickRecord>::iterator it = joystickList.begin(); it != joystickList.end(); ++it)
     {
-        if (i->index == index)
+        if (it->index == index)
         {
             // Create device
-            HRESULT result = directInput->CreateDevice(i->guid, &m_device, NULL);
+            HRESULT result = directInput->CreateDevice(it->guid, &m_device, NULL);
 
             if (FAILED(result))
             {
@@ -905,7 +905,7 @@ JoystickState JoystickImpl::updateDInputBuffered()
         // Get the current state of each axis
         for (int j = 0; j < Joystick::AxisCount; ++j)
         {
-            if (m_axes[j] == events[i].dwOfs)
+            if (m_axes[j] == static_cast<int>(events[i].dwOfs))
             {
                 if ((j == Joystick::PovX) || (j == Joystick::PovY))
                 {
@@ -941,7 +941,7 @@ JoystickState JoystickImpl::updateDInputBuffered()
         // Get the current state of each button
         for (int j = 0; j < Joystick::ButtonCount; ++j)
         {
-            if (m_buttons[j] == events[i].dwOfs)
+            if (m_buttons[j] == static_cast<int>(events[i].dwOfs))
                 m_state.buttons[j] = (events[i].dwData != 0);
         }
     }