diff --git a/LibGUI/GClipboard.cpp b/LibGUI/GClipboard.cpp
index 01e198b1ff..d6fe9efba3 100644
--- a/LibGUI/GClipboard.cpp
+++ b/LibGUI/GClipboard.cpp
@@ -43,7 +43,10 @@ void GClipboard::set_data(const String& data)
         dbgprintf("GClipboard::set_data() failed to create a shared buffer\n");
         return;
     }
-    memcpy(shared_buffer->data(), data.characters(), data.length() + 1);
+    if (!data.is_empty())
+        memcpy(shared_buffer->data(), data.characters(), data.length() + 1);
+    else
+        ((byte*)shared_buffer->data())[0] = '\0';
     shared_buffer->seal();
     request.clipboard.shared_buffer_id = shared_buffer->shared_buffer_id();
     request.clipboard.contents_size = data.length();