diff --git a/src/audio/sampman_miles.cpp b/src/audio/sampman_miles.cpp
index ad2c512f..d625ac35 100644
--- a/src/audio/sampman_miles.cpp
+++ b/src/audio/sampman_miles.cpp
@@ -1445,7 +1445,7 @@ cSampleManager::IsSampleBankLoaded(uint8 nBank)
 bool
 cSampleManager::IsPedCommentLoaded(uint32 nComment)
 {
-	uint8 slot;
+	int8 slot;
 
 	for ( int32 i = 0; i < _TODOCONST(3); i++ )
 	{
@@ -1464,7 +1464,7 @@ cSampleManager::IsPedCommentLoaded(uint32 nComment)
 int32
 cSampleManager::_GetPedCommentSlot(uint32 nComment)
 {
-	uint8 slot;
+	int8 slot;
 
 	for ( int32 i = 0; i < _TODOCONST(3); i++ )
 	{
diff --git a/src/audio/sampman_oal.cpp b/src/audio/sampman_oal.cpp
index f16afbba..f6f3a393 100644
--- a/src/audio/sampman_oal.cpp
+++ b/src/audio/sampman_oal.cpp
@@ -775,7 +775,7 @@ cSampleManager::IsPedCommentLoaded(uint32 nComment)
 {
 	ASSERT( nComment < TOTAL_AUDIO_SAMPLES );
 	
-	uint8 slot;
+	int8 slot;
 
 	for ( int32 i = 0; i < _TODOCONST(3); i++ )
 	{
@@ -795,7 +795,7 @@ cSampleManager::IsPedCommentLoaded(uint32 nComment)
 int32
 cSampleManager::_GetPedCommentSlot(uint32 nComment)
 {
-	uint8 slot;
+	int8 slot;
 
 	for (int32 i = 0; i < _TODOCONST(3); i++)
 	{