diff --git a/src/core/filecopyjob.cpp b/src/core/filecopyjob.cpp
--- a/src/core/filecopyjob.cpp
+++ b/src/core/filecopyjob.cpp
@@ -506,7 +506,11 @@
         }
         setError(job->error());
         setErrorText(job->errorText());
-        emitResult();
+        // When copying files in a filesystem where the permissions can not be changed
+        // do not generate two dialogs and do not crash when pressing "skip all"
+        if (!hasSubjobs()) {
+            emitResult();
+        }
         return;
     }