diff --git a/setup.py b/setup.py
index 4084d94..4890b18 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def pkgconfig(flags):
 elif OSNAME == 'Windows':
     define_macros = [('WEBVIEW_WINAPI', '1')]
     extra_cflags = ""
-    extra_ldflags = ['-framework', 'CoreAudio']
+    extra_ldflags = ['Advapi32.lib', 'Gdi32.lib']
 
 webview = Extension(
     'webview',
diff --git a/webview/webview.c b/webview/webview.c
index 8ae7244..fd464ac 100644
--- a/webview/webview.c
+++ b/webview/webview.c
@@ -5,6 +5,10 @@
 #define WEBVIEW_IMPLEMENTATION
 #include "webview.h"
 
+#ifndef PATH_MAX
+#define PATH_MAX MAX_PATH
+#endif
+
 typedef struct { PyObject_HEAD struct webview w; } WebView;
 
 static void WebView_dealloc(WebView *self) {
diff --git a/webview/webview.h b/webview/webview.h
index d1d2a1c..c4ae85c 100644
--- a/webview/webview.h
+++ b/webview/webview.h
@@ -1085,7 +1085,7 @@ static int DisplayHTMLPage(struct webview *w) {
     for (const char *p = webview_url + strlen(WEBVIEW_DATA_URL_PREFIX); *q = *p;
          p++, q++) {
       if (*q == '%' && *(p + 1) && *(p + 2)) {
-        sscanf(p + 1, "%02x", q);
+        sscanf(p + 1, "%0hhx", q);
         p = p + 2;
       }
     }
@@ -1338,7 +1338,7 @@ WEBVIEW_API int webview_eval(struct webview *w, const char *js) {
   arg.vt = VT_BSTR;
   static const char *prologue = "(function(){";
   static const char *epilogue = ";})();";
-  int n = strlen(prologue) + strlen(epilogue) + strlen(js) + 1;
+  size_t n = strlen(prologue) + strlen(epilogue) + strlen(js) + 1;
   char *eval = (char *)malloc(n);
   snprintf(eval, n, "%s%s%s", prologue, js, epilogue);
   wchar_t *buf = webview_to_utf16(eval);