diff --git a/libAACenc/src/aacenc_lib.cpp b/libAACenc/src/aacenc_lib.cpp
index 08cd57a..0f0094f 100644
--- a/libAACenc/src/aacenc_lib.cpp
+++ b/libAACenc/src/aacenc_lib.cpp
@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------------
 Software License for The Fraunhofer FDK AAC Codec Library for Android
 
-© Copyright  1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright  1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
 Forschung e.V. All rights reserved.
 
  1.    INTRODUCTION
@@ -1761,6 +1761,10 @@ AACENC_ERROR aacEncEncode(const HANDLE_AACENCODER hAacEncoder,
         hAacEncoder->inputBuffer +
         (hAacEncoder->inputBufferOffset + hAacEncoder->nSamplesRead) /
             hAacEncoder->aacConfig.nChannels;
+    newSamples -=
+        (newSamples %
+         hAacEncoder->extParam
+             .nChannels); /* process multiple samples of input channels */
 
     /* Copy new input samples to internal buffer */
     if (inBufDesc->bufElSizes[idx] == (INT)sizeof(INT_PCM)) {