diff --git a/libdino/src/application.vala b/libdino/src/application.vala
index f381c21d..4cb54a42 100644
--- a/libdino/src/application.vala
+++ b/libdino/src/application.vala
@@ -61,6 +61,9 @@ public interface Application : GLib.Application {
         });
         shutdown.connect(() => {
             stream_interactor.connection_manager.make_offline_all();
+#if _WIN32
+            Dino.Util.CoUninitialize();
+#endif
         });
         open.connect((files, hint) => {
             if (files.length != 1) {
diff --git a/libdino/src/service/util.vala b/libdino/src/service/util.vala
index 6680cade..dbc98b2a 100644
--- a/libdino/src/service/util.vala
+++ b/libdino/src/service/util.vala
@@ -7,8 +7,15 @@ public class Util {
     [CCode (cname = "ShellExecuteA")]
     private static extern int ShellExecuteA(int* hwnd, string operation, string file, string parameters, string directory, int showCmd);
 
-    private static int ShellExecute(string file) {
-        return ShellExecuteA(null, null, file, null, null, 0);
+    [CCode (cname = "CoInitialize")]
+    public static extern int CoInitialize(void* reserved);
+
+    [CCode (cname = "CoUninitialize")]
+    public static extern void CoUninitialize();
+
+    private static int ShellExecute(string operation, string file) {
+        CoInitialize(null);
+        return ShellExecuteA(null, operation, file, null, null, 1);
     }
     #endif
 
@@ -39,7 +46,7 @@ public class Util {
     public static void launch_default_for_uri(string file_uri)
     {
 #if _WIN32
-        Dino.Util.ShellExecute(file_uri);
+        Dino.Util.ShellExecute("open", file_uri);
 #else
         AppInfo.launch_default_for_uri(file_uri, null);
 #endif