diff --git a/openair1/PHY/INIT/init_top.c b/openair1/PHY/INIT/init_top.c
index 25898d0b8cc394f0e7cd1a5a6336ad8c2b936d4f..1bb36bd2e52f295b4f3165bb66559a1c632ad70f 100644
--- a/openair1/PHY/INIT/init_top.c
+++ b/openair1/PHY/INIT/init_top.c
@@ -76,7 +76,7 @@ void init_lte_top(LTE_DL_FRAME_PARMS *frame_parms) {
   init_unscrambling_lut();
   init_scrambling_lut();
   //set_taus_seed(1328);
-  init_7_5KHz();
+//  init_7_5KHz();
   init_sss();
 }
 
diff --git a/openair1/PHY/INIT/lte_init_ru.c b/openair1/PHY/INIT/lte_init_ru.c
index 1ceed40f8b6e901134d8c0dcaad9b335ee6a31aa..e8846d74334e30f559a16120fc34296bdf22f831 100644
--- a/openair1/PHY/INIT/lte_init_ru.c
+++ b/openair1/PHY/INIT/lte_init_ru.c
@@ -31,6 +31,8 @@
 #include "assertions.h"
 #include <math.h>
 
+void init_7_5KHz();
+
 int phy_init_RU(RU_t *ru) {
 
   LTE_DL_FRAME_PARMS *fp = &ru->frame_parms;
@@ -65,6 +67,7 @@ int phy_init_RU(RU_t *ru) {
 
   }
   if (ru->function != NGFI_RRU_IF5) { // we need to do RX/TX RU processing
+    init_7_5KHz();
     LOG_I(PHY,"nb_tx %d\n",ru->nb_tx);
     ru->common.rxdata_7_5kHz = (int32_t**)malloc16(ru->nb_rx*sizeof(int32_t*) );
     for (i=0;i<ru->nb_rx;i++) {