diff --git a/lib/src/phy/rf/rf_skiq_imp.c b/lib/src/phy/rf/rf_skiq_imp.c
index 96ad18ee1..483241496 100644
--- a/lib/src/phy/rf/rf_skiq_imp.c
+++ b/lib/src/phy/rf/rf_skiq_imp.c
@@ -876,7 +876,7 @@ int rf_skiq_send_timed(void*  h,
 }
 
 int rf_skiq_send_timed_multi(void*  h_,
-                             void** data_,
+                             void*  data_[SRSRAN_MAX_PORTS],
                              int    nsamples,
                              time_t secs,
                              double frac_secs,