diff --git a/lib/include/srslte/phy/utils/vector.h b/lib/include/srslte/phy/utils/vector.h
index c8590a4f1..dbb0c977f 100644
--- a/lib/include/srslte/phy/utils/vector.h
+++ b/lib/include/srslte/phy/utils/vector.h
@@ -93,8 +93,8 @@ SRSLTE_API void* srslte_vec_realloc(void* ptr, uint32_t old_size, uint32_t new_s
 
 /* Zero memory */
 SRSLTE_API void srslte_vec_cf_zero(cf_t* ptr, uint32_t nsamples);
-
 SRSLTE_API void srslte_vec_f_zero(float* ptr, uint32_t nsamples);
+SRSLTE_API void srslte_vec_u8_zero(uint8_t* ptr, uint32_t nsamples);
 
 /* print vectors */
 SRSLTE_API void srslte_vec_fprint_c(FILE* stream, const cf_t* x, const uint32_t len);
diff --git a/lib/src/phy/utils/vector.c b/lib/src/phy/utils/vector.c
index 7727b2c39..283a34743 100644
--- a/lib/src/phy/utils/vector.c
+++ b/lib/src/phy/utils/vector.c
@@ -185,6 +185,11 @@ uint8_t* srslte_vec_u8_malloc(uint32_t nsamples)
   return (uint8_t*)srslte_vec_malloc((uint32_t)sizeof(uint8_t) * nsamples);
 }
 
+void srslte_vec_u8_zero(uint8_t* ptr, uint32_t nsamples)
+{
+  memset(ptr, 0, sizeof(uint8_t) * nsamples);
+}
+
 void srslte_vec_cf_zero(cf_t* ptr, uint32_t nsamples)
 {
   memset(ptr, 0, sizeof(cf_t) * nsamples);