diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c
index 24a93e8b54..71b3297b66 100644
--- a/libavcodec/truespeech.c
+++ b/libavcodec/truespeech.c
@@ -201,7 +201,7 @@ static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
     off = (t / 25) + dec->offset1[quart >> 1] + 18;
     ptr0 = tmp + 145 - off;
     ptr1 = tmp + 146;
-    filter = ts_240 + (t % 25) * 2;
+    filter = (int16_t*)ts_240 + (t % 25) * 2;
     for(i = 0; i < 60; i++){
         t = (ptr0[0] * filter[0] + ptr0[1] * filter[1] + 0x2000) >> 14;
         ptr0++;
@@ -225,7 +225,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
     }
 
     coef = dec->pulsepos[quart] >> 15;
-    ptr1 = ts_140 + 30;
+    ptr1 = (int16_t*)ts_140 + 30;
     ptr2 = tmp;
     for(i = 0, j = 3; (i < 30) && (j > 0); i++){
         t = *ptr1++;
@@ -238,7 +238,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
         }
     }
     coef = dec->pulsepos[quart] & 0x7FFF;
-    ptr1 = ts_140;
+    ptr1 = (int16_t*)ts_140;
     for(i = 30, j = 4; (i < 60) && (j > 0); i++){
         t = *ptr1++;
         if(coef >= t)