diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h
index 4dc930c22c..7af241ebaa 100644
--- a/openair1/PHY/defs_gNB.h
+++ b/openair1/PHY/defs_gNB.h
@@ -343,7 +343,7 @@ typedef struct {
   /// \f$\log_2(\max|H_i|^2)\f$
   int16_t log2_maxh;
   /// measured RX power based on DRS
-  int ulsch_power[8];
+  uint32_t ulsch_power[8];
   /// total signal over antennas
   uint32_t ulsch_power_tot;
   /// measured RX noise power