diff --git a/openair1/PHY/MODULATION/ofdm_mod.c b/openair1/PHY/MODULATION/ofdm_mod.c
index a187899617..f27f0500b0 100755
--- a/openair1/PHY/MODULATION/ofdm_mod.c
+++ b/openair1/PHY/MODULATION/ofdm_mod.c
@@ -145,12 +145,12 @@ void PHY_ofdm_mod(int *input,                       /// pointer to complex input
 
 #ifndef __AVX2__
     // handle 128-bit alignment for 128-bit SIMD (SSE4,NEON,AltiVEC)
-    idft((int16_t *)&input[i<<log2fftsize],
+    idft((int16_t *)&input[i*fftsize],
          (fftsize==128) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
          1);
 #else
     // on AVX2 need 256-bit alignment
-    idft((int16_t *)&input[i<<log2fftsize],
+    idft((int16_t *)&input[i*fftsize],
          (fftsize<=512) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
          1);
 
diff --git a/openair1/SIMULATION/LTE_PHY/dlsim.c b/openair1/SIMULATION/LTE_PHY/dlsim.c
index 757a08f3ea..7bdc6ffd31 100644
--- a/openair1/SIMULATION/LTE_PHY/dlsim.c
+++ b/openair1/SIMULATION/LTE_PHY/dlsim.c
@@ -215,7 +215,7 @@ int main(int argc, char **argv)
   // void *data;
   // int ii;
   //  int bler;
-  double blerr[4],uncoded_ber;//,avg_ber;
+  double blerr[4],uncoded_ber,avg_ber;
   short *uncoded_ber_bit=NULL;
   uint8_t N_RB_DL=25,osf=1;
   frame_t frame_type = FDD;