diff --git a/docs/rh-log.txt b/docs/rh-log.txt
index 2516348de..0a67b2834 100644
--- a/docs/rh-log.txt
+++ b/docs/rh-log.txt
@@ -1,4 +1,5 @@
 July 16, 2006 (Changes by Graf Zahl)
+- Fixed: S_ClearSoundData cleared PlayerClasses instead of PlayerClassLookups.
 - Added NecroMage's submission for bitwise/shift assignment operators for ACS.
 - Added replacement handling to A_BossDeath.
 - Fixed: The check for no skill menu was incorrect when a custom player
diff --git a/src/s_advsound.cpp b/src/s_advsound.cpp
index ade8a0229..b4f5bf59f 100644
--- a/src/s_advsound.cpp
+++ b/src/s_advsound.cpp
@@ -602,7 +602,7 @@ static void S_ClearSoundData()
 	DoneReserving = false;
 	NumPlayerReserves = 0;
 	PlayerClassesIsSorted = false;
-	PlayerClasses.Clear();
+	PlayerClassLookups.Clear();
 	PlayerSounds.Clear();
 	DefPlayerClass = 0;
 	*DefPlayerClassName = 0;