diff --git a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt
index eeb60bc..b8438a1 100644
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/HistoryScreen.kt
@@ -771,6 +771,30 @@ fun MergedTrainRecordItem(
                                             "${recordItem.locoType}-${recordItem.loco}"
                                         } else null
                                     }
+                                    GroupBy.TRAIN_OR_LOCO -> {
+                                        val latestTrain = mergedRecord.latestRecord.train.trim()
+                                        val latestLoco = mergedRecord.latestRecord.loco.trim()
+                                        val recordTrain = recordItem.train.trim()
+                                        val recordLoco = recordItem.loco.trim()
+                                        
+                                        when {
+                                            latestTrain.isNotEmpty() && latestTrain != "<NUL>" && 
+                                            recordTrain.isNotEmpty() && recordTrain != "<NUL>" && 
+                                            latestTrain == recordTrain -> {
+                                                if (recordLoco.isNotEmpty() && recordLoco != "<NUL>") {
+                                                    "${recordItem.locoType}-${recordLoco}"
+                                                } else null
+                                            }
+                                            latestLoco.isNotEmpty() && latestLoco != "<NUL>" && 
+                                            recordLoco.isNotEmpty() && recordLoco != "<NUL>" && 
+                                            latestLoco == recordLoco -> {
+                                                if (recordTrain.isNotEmpty() && recordTrain != "<NUL>") {
+                                                    recordTrain
+                                                } else null
+                                            }
+                                            else -> null
+                                        }
+                                    }
                                     else -> null
                                 }
                                 
diff --git a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt
index 8cb370a..40d4246 100644
--- a/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt
+++ b/app/src/main/java/org/noxylva/lbjconsole/ui/screens/SettingsScreen.kt
@@ -47,13 +47,12 @@ fun SettingsScreen(
     val scrollState = rememberScrollState()
     
     LaunchedEffect(scrollPosition) {
-        if (scrollState.value != scrollPosition) {
-            scrollState.scrollTo(scrollPosition)
+        if (scrollPosition > 0 && scrollState.value != scrollPosition) {
+            scrollState.animateScrollTo(scrollPosition)
         }
     }
     
     LaunchedEffect(scrollState.value) {
-        delay(50)
         onScrollPositionChange(scrollState.value)
     }