diff --git a/media/libstagefright/codecs/amrnb/dec/src/dec_amr.cpp b/media/libstagefright/codecs/amrnb/dec/src/dec_amr.cpp
index 9190aea..be15475 100644
--- a/media/libstagefright/codecs/amrnb/dec/src/dec_amr.cpp
+++ b/media/libstagefright/codecs/amrnb/dec/src/dec_amr.cpp
@@ -1634,7 +1634,7 @@
             {
                 if (st->old_T0 < PIT_MAX)
                 {                               /* Graceful pitch */
-                    st->old_T0 += 1;            /* degradation    */
+                    st->old_T0 += 0;            /* degradation    */
                 }
                 T0 = st->old_T0;
                 T0_frac = 0;