diff --git a/gui/griffon-app/controllers/com/muwire/gui/CollectionsToolController.groovy b/gui/griffon-app/controllers/com/muwire/gui/CollectionsToolController.groovy
index 0ede2b48..047bc44a 100644
--- a/gui/griffon-app/controllers/com/muwire/gui/CollectionsToolController.groovy
+++ b/gui/griffon-app/controllers/com/muwire/gui/CollectionsToolController.groovy
@@ -6,6 +6,9 @@ import griffon.inject.MVCMember
 import griffon.metadata.ArtifactProviderFor
 import net.i2p.data.Base64
 
+import java.awt.Toolkit
+import java.awt.datatransfer.StringSelection
+
 import javax.annotation.Nonnull
 
 import com.muwire.core.SharedFile
@@ -62,4 +65,17 @@ class CollectionsToolController {
         params['text'] = DataUtil.readi18nString(Base64.decode(sf.getComment()))
         mvcGroup.createMVCGroup("show-comment", params)
     }
+    
+    @ControllerAction
+    void copyHash() {
+        int row = view.selectedCollectionRow()
+        if (row < 0)
+            return
+        FileCollection collection = model.collections.get(row)
+        
+        String b64 = Base64.encode(collection.getInfoHash().getRoot())
+        StringSelection selection = new StringSelection(b64)
+        def clipboard = Toolkit.getDefaultToolkit().getSystemClipboard()
+        clipboard.setContents(selection, null)
+    }
 }
\ No newline at end of file
diff --git a/gui/griffon-app/views/com/muwire/gui/CollectionsToolView.groovy b/gui/griffon-app/views/com/muwire/gui/CollectionsToolView.groovy
index eecae59c..e4818091 100644
--- a/gui/griffon-app/views/com/muwire/gui/CollectionsToolView.groovy
+++ b/gui/griffon-app/views/com/muwire/gui/CollectionsToolView.groovy
@@ -69,6 +69,7 @@ class CollectionsToolView {
                 }
                 panel(constraints : BorderLayout.SOUTH) {
                      button(text : trans("VIEW_COMMENT"), enabled : bind {model.viewCommentButtonEnabled}, viewCommentAction)
+                     button(text : trans("COPY_HASH_TO_CLIPBOARD"), enabled : bind {model.deleteButtonEnabled}, copyHashAction)
                      button(text : trans("DELETE"), enabled : bind {model.deleteButtonEnabled}, deleteAction)  
                 }
             }