diff --git a/src/file.h b/src/file.h
index 2e0494d..a811d8d 100644
--- a/src/file.h
+++ b/src/file.h
@@ -107,11 +107,18 @@
 
 #define file_private static
 
-#if HAVE_VISIBILITY && !defined(WIN32)
-#define file_public  __attribute__ ((__visibility__("default")))
-#ifndef file_protected
-#define file_protected __attribute__ ((__visibility__("hidden")))
-#endif
+#if HAVE_VISIBILITY
+	#if defined(WIN32)
+		#define file_public  __declspec(dllexport)
+		#ifndef file_protected
+		#define file_protected
+		#endif
+	#else
+		#define file_public  __attribute__ ((__visibility__("default")))
+		#ifndef file_protected
+		#define file_protected __attribute__ ((__visibility__("hidden")))
+		#endif
+	#endif
 #else
 #define file_public
 #ifndef file_protected