diff --git a/media/libstagefright/codecs/amrwbenc/src/preemph.c b/media/libstagefright/codecs/amrwbenc/src/preemph.c
index 99a1844..70c8650 100644
--- a/media/libstagefright/codecs/amrwbenc/src/preemph.c
+++ b/media/libstagefright/codecs/amrwbenc/src/preemph.c
@@ -74,6 +74,9 @@
             L_tmp = INT32_MAX / 2;
         }
         L_tmp = (L_tmp << 1);
+        if (L_tmp > INT32_MAX - 0x8000) {
+            L_tmp = INT32_MAX - 0x8000;
+        }
         x[i] = (L_tmp + 0x8000)>>16;
     }