diff --git a/lib/src/phy/phch/regs.c b/lib/src/phy/phch/regs.c
index f52829d59..c48ba8d7b 100644
--- a/lib/src/phy/phch/regs.c
+++ b/lib/src/phy/phch/regs.c
@@ -607,6 +607,7 @@ int regs_num_x_symbol(uint32_t symbol, uint32_t nof_port, srsran_cp_t cp)
       ERROR("Invalid symbol %d", symbol);
       return SRSRAN_ERROR;
   }
+  return SRSRAN_ERROR;
 }
 
 /**