diff --git a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
index 51d668cbecb859f0d5302bf339874cb805f80944..079a4c85e3f3b6a8c9be95ba7c65847edf975016 100644
--- a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
+++ b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
@@ -58,7 +58,7 @@ peripherals:
               mm_width: 32  # = N_complex * W_sub_weight
               address_offset: 0x0
               number_of_fields: 1024  # = Q_fft * N_sub = 2 signal inputs * 512 subbands
-              radix: complx
+              radix: complex_ir
 
 
   - peripheral_name: sdp_bf_weights    # pi_sdp_bf_weights.py
@@ -106,7 +106,7 @@ peripherals:
               mm_width: 32  # = N_complex * W_bf_weight
               address_offset: 0x0
               number_of_fields: g_nof_gains
-              radix: complx
+              radix: complex_ir
 
 
   - peripheral_name: sdp_bf_scale    # pi_sdp_bf_scale.py