diff --git a/src/ce_gdb.pas b/src/ce_gdb.pas
index 211cccb0..33c8597a 100644
--- a/src/ce_gdb.pas
+++ b/src/ce_gdb.pas
@@ -1760,9 +1760,9 @@ begin
   gdbCommand('break _d_switch_error');
   gdbCommand('-gdb-set mi-async on');
   if not fOptions.stopAllThreadsOnBreak then
-    gdbCommand('-gdb-set non-stop off')
+    gdbCommand('-gdb-set non-stop on')
   else
-    gdbCommand('-gdb-set non-stop on');
+    gdbCommand('-gdb-set non-stop off');
   fGdb.OnReadData := @gdboutJsonize;
   cpuViewer.TIObject := fInspState;
   cpuViewer.RefreshPropertyValues;