diff --git a/src/ens/storage.c b/src/ens/storage.c
index fd03c12..9579e8e 100644
--- a/src/ens/storage.c
+++ b/src/ens/storage.c
@@ -13,7 +13,6 @@
 #include "storage.h"
 
 #define STORED_CONTACTS_INFO_ID 0
-#define MAX_CONTACTS 65536
 
 static struct nvs_fs info_fs;
 static struct k_mutex info_fs_lock;
@@ -24,7 +23,7 @@ static ens_fs_t ens_fs;
 static stored_records_information_t record_information = {.oldest_contact = 0, .count = 0};
 
 inline storage_id_t convert_sn_to_storage_id(record_sequence_number_t sn) {
-    return (storage_id_t)(sn % MAX_CONTACTS);
+    return (storage_id_t)(sn % CONFIG_ENS_MAX_CONTACTS);
 }
 
 /**
@@ -145,7 +144,7 @@ int add_record(record_t* src) {
             rc = deletedRecordsCount;
             // we still need to increment our information, so we are not at the exact same id the entire time
             goto inc;
-        } else if (deletedRecordsCount > 0 && get_num_records() == MAX_CONTACTS) {
+        } else if (deletedRecordsCount > 0 && get_num_records() == CONFIG_ENS_MAX_CONTACTS) {
             record_information.count -= deletedRecordsCount;
             record_information.oldest_contact = sn_increment_by(record_information.oldest_contact, deletedRecordsCount);
         }
@@ -158,7 +157,7 @@ int add_record(record_t* src) {
 
 inc:
     // check, how we need to update our storage information
-    if (record_information.count >= MAX_CONTACTS) {
+    if (record_information.count >= CONFIG_ENS_MAX_CONTACTS) {
         record_information.oldest_contact = sn_increment(record_information.oldest_contact);
     } else {
         record_information.count++;
diff --git a/zephyr/Kconfig b/zephyr/Kconfig
new file mode 100644
index 0000000..32c850e
--- /dev/null
+++ b/zephyr/Kconfig
@@ -0,0 +1,10 @@
+source "$ZEPHYR_BASE/Kconfig.zephyr"
+menu "ENS contact storage"
+
+config ENS_MAX_CONTACTS
+    int "Max contacts in storage"
+    default 2048
+    help
+      The maximum amount of contacts, that can be stored on the devies. Needs to be a power of 2!
+
+endmenu
\ No newline at end of file
diff --git a/zephyr/prj.conf b/zephyr/prj.conf
index 8320597..fc7e154 100644
--- a/zephyr/prj.conf
+++ b/zephyr/prj.conf
@@ -35,4 +35,7 @@ CONFIG_LOG=y
 CONFIG_NEWLIB_LIBC=y
 CONFIG_HEAP_MEM_POOL_SIZE=4096
 CONFIG_NORDIC_QSPI_NOR=y # configuration options for MX25R64 flash device
-CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
\ No newline at end of file
+CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
+
+# max contacts, that can be stored
+CONFIG_ENS_MAX_CONTACTS=65536
\ No newline at end of file