diff --git a/lib/include/srslte/phy/utils/vector.h b/lib/include/srslte/phy/utils/vector.h
index 711b2ea37..a2a4a9c92 100644
--- a/lib/include/srslte/phy/utils/vector.h
+++ b/lib/include/srslte/phy/utils/vector.h
@@ -27,6 +27,7 @@ extern "C" {
 
 #include "srslte/config.h"
 #include <math.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 
@@ -99,6 +100,7 @@ SRSLTE_API void* srslte_vec_realloc(void* ptr, uint32_t old_size, uint32_t new_s
 SRSLTE_API void srslte_vec_zero(void* ptr, uint32_t nsamples);
 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_i8_zero(int8_t* ptr, uint32_t nsamples);
 SRSLTE_API void srslte_vec_u8_zero(uint8_t* ptr, uint32_t nsamples);
 SRSLTE_API void srslte_vec_i16_zero(int16_t* ptr, uint32_t nsamples);
 SRSLTE_API void srslte_vec_u32_zero(uint32_t* ptr, uint32_t nsamples);
diff --git a/lib/src/phy/utils/vector.c b/lib/src/phy/utils/vector.c
index 1fb8d0b7d..aedb36d5b 100644
--- a/lib/src/phy/utils/vector.c
+++ b/lib/src/phy/utils/vector.c
@@ -196,6 +196,11 @@ void srslte_vec_u8_zero(uint8_t* ptr, uint32_t nsamples)
   SRSLTE_MEM_ZERO(ptr, uint8_t, nsamples);
 }
 
+void srslte_vec_i8_zero(int8_t* ptr, uint32_t nsamples)
+{
+  SRSLTE_MEM_ZERO(ptr, int8_t, nsamples);
+}
+
 void srslte_vec_i16_zero(int16_t* ptr, uint32_t nsamples)
 {
   SRSLTE_MEM_ZERO(ptr, int16_t, nsamples);