diff --git a/engines/startrek/sound.cpp b/engines/startrek/sound.cpp
index 9dd20435807..aeb6c895836 100644
--- a/engines/startrek/sound.cpp
+++ b/engines/startrek/sound.cpp
@@ -303,7 +303,7 @@ void Sound::playSoundEffectIndex(SoundEffects index) {
 			playVoc("PHASSHOT");
 			break;
 		case kSfxButton:
-			playMidiTrack(MIDITRACK_7);
+			playMidiTrack(MIDITRACK_SFX_BUTTON);
 			break;
 		case kSfxTransporterDematerialize:
 			playVoc("TRANSDEM");
@@ -315,7 +315,7 @@ void Sound::playSoundEffectIndex(SoundEffects index) {
 			playVoc("TRANSENE");
 			break;
 		case kSfxSelection:
-			playMidiTrack(MIDITRACK_16);
+			playMidiTrack(MIDITRACK_SFX_BUTTON);
 			break;
 		case kSfxHailing:
 			playVoc("HAILING");
@@ -330,7 +330,7 @@ void Sound::playSoundEffectIndex(SoundEffects index) {
 			playVoc("HITSHIEL");
 			break;
 		case kSfxUnk:
-			playMidiTrack(MIDITRACK_39);
+			playMidiTrack(MIDITRACK_SFX_UNK);
 			break;
 		case kSfxRedAlert:
 			playVoc("REDALERT");
diff --git a/engines/startrek/soundeffects.h b/engines/startrek/soundeffects.h
index 1539670db90..68b617577ef 100644
--- a/engines/startrek/soundeffects.h
+++ b/engines/startrek/soundeffects.h
@@ -54,19 +54,19 @@ enum MidiTracks {
 	MIDITRACK_1,
 	MIDITRACK_2,
 	MIDITRACK_3,
-	MIDITRACK_4,
-	MIDITRACK_5,
-	MIDITRACK_6,
-	MIDITRACK_7,
-	MIDITRACK_8,
-	MIDITRACK_9,
-	MIDITRACK_10,
+	MIDITRACK_SFX_TRICORDER,
+	MIDITRACK_SFX_DOOR,
+	MIDITRACK_SFX_PHASER,
+	MIDITRACK_SFX_BUTTON,
+	MIDITRACK_SFX_TRANSPORTER_DEMATERIALIZE,
+	MIDITRACK_SFX_TRANSPORTER_MATERIALIZE,
+	MIDITRACK_SFX_TRANSPORTER_ENERGIZE,
 	MIDITRACK_11,
 	MIDITRACK_12,
 	MIDITRACK_13,
 	MIDITRACK_14,
 	MIDITRACK_15,
-	MIDITRACK_16,
+	MIDITRACK_SFX_SELECTION,
 	MIDITRACK_17,
 	MIDITRACK_18,
 	MIDITRACK_19,
@@ -84,14 +84,14 @@ enum MidiTracks {
 	MIDITRACK_31,
 	MIDITRACK_32,
 	MIDITRACK_33,
-	MIDITRACK_34,
+	MIDITRACK_SFX_HAILING,
 	MIDITRACK_35,
-	MIDITRACK_36,
-	MIDITRACK_37,
-	MIDITRACK_38,
-	MIDITRACK_39,
-	MIDITRACK_40,
-	MIDITRACK_41
+	MIDITRACK_SFX_PHASER2,
+	MIDITRACK_SFX_PHOTON_TORPEDOES,
+	MIDITRACK_SFX_SHIELD_HIT,
+	MIDITRACK_SFX_UNK,
+	MIDITRACK_SFX_RED_ALERT,
+	MIDITRACK_SFX_WARP
 };