diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp
index 360a2275..131704dc 100644
--- a/src/audio/AudioManager.cpp
+++ b/src/audio/AudioManager.cpp
@@ -1076,7 +1076,7 @@ void
 cAudioManager::AdjustSamplesVolume()
 {
 	for (int i = 0; i < m_SampleRequestQueuesStatus[m_nActiveSampleQueue]; i++) {
-		tSound *pSample = &m_asSamples[m_nActiveSampleQueue][m_abSampleQueueIndexTable[m_nActiveSampleQueue][i] + 1];
+		tSound *pSample = &m_asSamples[m_nActiveSampleQueue][m_abSampleQueueIndexTable[m_nActiveSampleQueue][i]];
 
 		if (!pSample->m_bIs2D)
 			pSample->m_nEmittingVolume = ComputeEmittingVolume(pSample->m_nEmittingVolume, pSample->m_fSoundIntensity, pSample->m_fDistance);