diff --git a/qucs/qucs_run_hdl.bat b/qucs/qucs_run_hdl.bat
index ada0deaa..44fd905e 100644
--- a/qucs/qucs_run_hdl.bat
+++ b/qucs/qucs_run_hdl.bat
@@ -54,7 +54,7 @@ echo simulating...
 ghdl -r TestBench --vcd=digi.vcd --stop-time=%SIMTIME%
 
 echo running VCD conversion...
-%BINDIR%\vcd2qucsdat -if vcd -of qucsdata -i %NAME%.vcd -o %NAMEOUT%
+%BINDIR%\qucsconv_rf.exe -if vcd -of qucsdata -i %NAME%.vcd -o %NAMEOUT%
 
 goto end
 
diff --git a/qucs/qucs_run_verilog.bat b/qucs/qucs_run_verilog.bat
index 5040ab3b..a55a7f89 100644
--- a/qucs/qucs_run_verilog.bat
+++ b/qucs/qucs_run_verilog.bat
@@ -46,7 +46,7 @@ echo simulating...
 vvp %NAME%.bin -vcd
 
 echo running VCD conversion...
-vcd2qucsdat %OPTION% -if vcd -of qucsdata -i %NAME%.vcd -o %NAMEOUT%
+qucsconv_rf.exe %OPTION% -if vcd -of qucsdata -i %NAME%.vcd -o %NAMEOUT%
 
 goto end