diff --git a/backup/internal/rsync_simulate.go b/backup/internal/rsync_simulate.go
index 8eaf951..ae1253c 100644
--- a/backup/internal/rsync_simulate.go
+++ b/backup/internal/rsync_simulate.go
@@ -12,7 +12,7 @@ func NewSimulateCommand(binPath string, logPath string) SimulateCommand {
 	return SimulateCommand{
 		SharedCommand: SharedCommand{
 			BinPath:     binPath,
-			BaseLogPath: logPath,
+			BaseLogPath: logPath + "-sim",
 			Shell:       &OsExec{},
 		},
 	}
diff --git a/backup/internal/test/rsync_test.go b/backup/internal/test/rsync_test.go
index c06e0d8..951ea1c 100644
--- a/backup/internal/test/rsync_test.go
+++ b/backup/internal/test/rsync_test.go
@@ -123,3 +123,12 @@ func TestGetVersionInfo_IncompletePath(t *testing.T) {
 	assert.Empty(t, versionInfo)
 	assert.Empty(t, fullpath)
 }
+
+func TestNewSimulateCommand_BaseLogPath_ShallHaveSimSuffix(t *testing.T) {
+	binPath := "/usr/bin/simulate"
+	logPath := "/var/log/simulate"
+
+	simulateCmd := NewSimulateCommand(binPath, logPath)
+
+	assert.Equal(t, logPath+"-sim", simulateCmd.BaseLogPath)
+}