diff --git a/src/OutlookAddin/OutlookAddin.csproj b/src/OutlookAddin/OutlookAddin.csproj
index f80fc66..66eaf3f 100644
--- a/src/OutlookAddin/OutlookAddin.csproj
+++ b/src/OutlookAddin/OutlookAddin.csproj
@@ -270,6 +270,9 @@
     <EmbeddedResource Include="Images\klear-compose.png">
       <LogicalName>OutlookAddin.Images.klear-compose.png</LogicalName>
     </EmbeddedResource>
+    <EmbeddedResource Include="Images\klear-attach.png">
+      <LogicalName>OutlookAddin.Images.klear-attach.png</LogicalName>
+    </EmbeddedResource>
     <Compile Include="Services\AddInHost.cs">
       <SubType>Code</SubType>
     </Compile>