diff --git a/drivers/net/wwan/iosm/iosm_ipc_coredump.h b/drivers/net/wwan/iosm/iosm_ipc_coredump.h
index 0809ba664276..3da5ec75e0f0 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_coredump.h
+++ b/drivers/net/wwan/iosm/iosm_ipc_coredump.h
@@ -14,9 +14,6 @@
 /* Max buffer allocated to receive coredump data */
 #define MAX_DATA_SIZE 0x00010000
 
-/* Max number of file entries */
-#define MAX_NOF_ENTRY 256
-
 /* Max length */
 #define MAX_SIZE_LEN 32
 
@@ -38,7 +35,7 @@ struct iosm_cd_list_entry {
  */
 struct iosm_cd_list {
 	__le32 num_entries;
-	struct iosm_cd_list_entry entry[MAX_NOF_ENTRY];
+	struct iosm_cd_list_entry entry[];
 } __packed;
 
 /**