diff --git a/global.h b/global.h
index 799509b..ffaca4d 100644
--- a/global.h
+++ b/global.h
@@ -35,7 +35,7 @@
 
 
 #define PROGRAM_NAME          "DSRemote"
-#define PROGRAM_VERSION       "0.32_1601091631"
+#define PROGRAM_VERSION       "0.32_1601091726"
 
 #define MAX_PATHLEN            4096
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 6f6c81b..aab1a61 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1819,7 +1819,7 @@ int UI_Mainwindow::get_device_settings()
   }
   else
   {
-    if(tmc_write(":MATH:SOUR1?") != 12)
+    if(tmc_write(":MATH:FFT:SOUR?") != 15)
     {
       line = __LINE__;
       goto OUT_ERROR;