diff --git a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
index 12748b7a9e..31ac912edf 100644
--- a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
+++ b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
@@ -619,8 +619,10 @@ typedef struct {
   uint16_t prgSize;
   /// Number of STD ant ports (parallel streams) feeding into the digBF Value: 0->255
   uint8_t digBFInterfaces;
+  // Depends on numPRGs
   uint16_t PMIdx[275];
-  uint16_t *beamIdx[275];
+  // Depends on digBFInterfaces
+  uint16_t beamIdx[256];
 } nfapi_nr_tx_precoding_and_beamforming_t;
 
 //table 3-37