diff --git a/common/utils/nr/nr_common.h b/common/utils/nr/nr_common.h
index d9f2b0c03a..3addc5f6de 100644
--- a/common/utils/nr/nr_common.h
+++ b/common/utils/nr/nr_common.h
@@ -50,9 +50,16 @@ typedef struct nr_bandentry_s {
 
 extern const size_t nr_bandtable_size;
 extern nr_bandentry_t nr_bandtable[];
+static inline int get_num_dmrs(uint16_t dmrs_mask ) {
+
+  int num_dmrs=0;
+
+  for (int i=0;i<16;i++) num_dmrs+=((dmrs_mask>>i)&1);
+  return(num_dmrs);
+}
+
 
 void get_coreset_rballoc(uint8_t *FreqDomainResource,int *n_rb,int *rb_offset);
-int get_num_dmrs(uint16_t dmrs_mask);
 uint16_t config_bandwidth(int mu, int nb_rb, int nr_band);
 int get_nr_table_idx(int nr_bandP, uint8_t scs_index);
 int32_t get_delta_duplex(int nr_bandP, uint8_t scs_index);