diff --git a/src/win32_init.c b/src/win32_init.c
index 392114d0..5a287076 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -357,19 +357,19 @@ static HWND createHelperWindow(void)
 WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source)
 {
     WCHAR* target;
-    int length;
+    int count;
 
-    length = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0);
-    if (!length)
+    count = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0);
+    if (!count)
     {
         _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
                              "Win32: Failed to convert string from UTF-8");
         return NULL;
     }
 
-    target = calloc(length, sizeof(WCHAR));
+    target = calloc(count, sizeof(WCHAR));
 
-    if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, length))
+    if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, count))
     {
         _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
                              "Win32: Failed to convert string from UTF-8");
@@ -385,19 +385,19 @@ WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source)
 char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source)
 {
     char* target;
-    int length;
+    int size;
 
-    length = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL);
-    if (!length)
+    size = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL);
+    if (!size)
     {
         _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
                              "Win32: Failed to convert string to UTF-8");
         return NULL;
     }
 
-    target = calloc(length, 1);
+    target = calloc(size, 1);
 
-    if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, length, NULL, NULL))
+    if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, size, NULL, NULL))
     {
         _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
                              "Win32: Failed to convert string to UTF-8");