diff --git a/DanTup.DartVS.Vsix/ProjectSystem/DartProjectConfig.cs b/DanTup.DartVS.Vsix/ProjectSystem/DartProjectConfig.cs
index d54f2f8..4664ff5 100644
--- a/DanTup.DartVS.Vsix/ProjectSystem/DartProjectConfig.cs
+++ b/DanTup.DartVS.Vsix/ProjectSystem/DartProjectConfig.cs
@@ -1,5 +1,6 @@
 namespace DanTup.DartVS.ProjectSystem
 {
+    using Microsoft.VisualStudio;
     using Microsoft.VisualStudio.Project;
 
     public class DartProjectConfig : ProjectConfig
@@ -21,5 +22,11 @@ public override void Invalidate()
         {
             base.Invalidate();
         }
+
+        public override int QueryDebugLaunch(uint flags, out int fCanLaunch)
+        {
+            fCanLaunch = 0;
+            return VSConstants.S_OK;
+        }
     }
 }