diff --git a/decoder/drc_src/impd_drc_common.h b/decoder/drc_src/impd_drc_common.h
index dd0e621..62f54c3 100644
--- a/decoder/drc_src/impd_drc_common.h
+++ b/decoder/drc_src/impd_drc_common.h
@@ -86,6 +86,8 @@ extern "C" {
 
 #define SELECTION_CANDIDATE_COUNT_MAX 32
 
+#define MAX_NUM_COMPRESSION_EQ (16)
+
 #define PROC_COMPLETE 1
 #define UNEXPECTED_ERROR 2
 #define PARAM_ERROR 3
diff --git a/decoder/drc_src/impd_drc_selection_process.c b/decoder/drc_src/impd_drc_selection_process.c
index b5b1b7f..53f76b0 100644
--- a/decoder/drc_src/impd_drc_selection_process.c
+++ b/decoder/drc_src/impd_drc_selection_process.c
@@ -640,6 +640,7 @@ WORD32 impd_find_eq_set_no_compression(ia_drc_config* pstr_drc_config,
         for (c = 0; c < str_eq_instructions->drc_set_id_count; c++) {
           if ((str_eq_instructions->drc_set_id[c] == ID_FOR_ANY_DRC) ||
               (str_eq_instructions->drc_set_id[c] == 0)) {
+            if (k >= MAX_NUM_COMPRESSION_EQ) return UNEXPECTED_ERROR;
             num_compression_eq_id[k] = str_eq_instructions->eq_set_id;
             k++;
           }