diff --git a/matlab/RunOpenEMS.m b/matlab/RunOpenEMS.m
index 00886cb..a4a76ea 100644
--- a/matlab/RunOpenEMS.m
+++ b/matlab/RunOpenEMS.m
@@ -83,7 +83,7 @@ if (isfield(Settings,'SSH') && isunix)
     disp( 'Remote simulation done... copying back results and cleaning up...' );
 
     %copy back all results
-    [stat, res] = unix(['scp -r ' scp_options ' ' Settings.SSH.host ':' ssh_work_path '/* ' pwd '/']);
+    [stat, res] = unix(['scp -r ' scp_options ' ' Settings.SSH.host ':' ssh_work_path '/* ''' pwd '''/']);
     if (stat~=0);
         disp(res);
         error('openEMS:RunOpenEMS','scp failed!');
diff --git a/matlab/RunOpenEMS_MPI.m b/matlab/RunOpenEMS_MPI.m
index f3cde95..a954c7e 100644
--- a/matlab/RunOpenEMS_MPI.m
+++ b/matlab/RunOpenEMS_MPI.m
@@ -106,7 +106,7 @@ end
 for n=1:numel(Remote_Nodes)
     remote_name = Remote_Nodes{n};
     disp(['Copy data from remote node: ' remote_name]);
-    [stat, res] = unix(['scp -r ' scp_options ' ' remote_name ':' work_path '/* ' pwd '/']);
+    [stat, res] = unix(['scp -r ' scp_options ' ' remote_name ':' work_path '/* ''' pwd '''/']);
     if (stat~=0);
         disp(res);
         error('openEMS:RunOpenEMS','remote scp failed!');