diff --git a/nimble/host/src/ble_gattc.c b/nimble/host/src/ble_gattc.c
index b3c8e04e12..0ff4ec28e6 100644
--- a/nimble/host/src/ble_gattc.c
+++ b/nimble/host/src/ble_gattc.c
@@ -4444,7 +4444,7 @@ ble_gatts_notify_multiple_custom(uint16_t conn_handle,
 
     conn = ble_hs_conn_find(conn_handle);
     if (conn == NULL) {
-        return ENOTCONN;
+        return BLE_HS_ENOTCONN;
     }
 
     /* Read missing values */
@@ -4527,7 +4527,7 @@ ble_gatts_notify_multiple(uint16_t conn_handle,
     BLE_HS_LOG_DEBUG("conn_handle %d\n", conn_handle);
     conn = ble_hs_conn_find(conn_handle);
     if (conn == NULL) {
-        return ENOTCONN;
+        return BLE_HS_ENOTCONN;
     }
 
     /** Skip sending to client that doesn't support this feature */
diff --git a/nimble/host/src/ble_gatts.c b/nimble/host/src/ble_gatts.c
index c77e561b73..ee6a8a3c65 100644
--- a/nimble/host/src/ble_gatts.c
+++ b/nimble/host/src/ble_gatts.c
@@ -1619,8 +1619,6 @@ ble_gatts_peer_cl_sup_feat_update(uint16_t conn_handle, struct os_mbuf *om)
     int rc = 0;
     int i;
 
-    BLE_HS_LOG(DEBUG, "");
-
     if (!om) {
         return BLE_ATT_ERR_INSUFFICIENT_RES;
     }
diff --git a/nimble/host/src/ble_l2cap_coc.c b/nimble/host/src/ble_l2cap_coc.c
index a3d1b1c22d..d4cb15f971 100644
--- a/nimble/host/src/ble_l2cap_coc.c
+++ b/nimble/host/src/ble_l2cap_coc.c
@@ -27,6 +27,14 @@
 
 #if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) != 0 && NIMBLE_BLE_CONNECT
 
+#ifndef min
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
+#ifndef max
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
 #define BLE_L2CAP_SDU_SIZE              2
 
 STAILQ_HEAD(ble_l2cap_coc_srv_list, ble_l2cap_coc_srv);
diff --git a/nimble/host/store/config/src/ble_store_config.c b/nimble/host/store/config/src/ble_store_config.c
index 664b8768bf..b800a4ee58 100644
--- a/nimble/host/store/config/src/ble_store_config.c
+++ b/nimble/host/store/config/src/ble_store_config.c
@@ -24,6 +24,7 @@
 #include "syscfg/syscfg.h"
 #include "host/ble_hs.h"
 #include "base64/base64.h"
+#include "os/util.h"
 #include "store/config/ble_store_config.h"
 #include "ble_store_config_priv.h"
 
diff --git a/porting/npl/riot/include/nimble/nimble_npl_os_log.h b/porting/npl/riot/include/nimble/nimble_npl_os_log.h
index 5fcce6aeec..91c8047547 100644
--- a/porting/npl/riot/include/nimble/nimble_npl_os_log.h
+++ b/porting/npl/riot/include/nimble/nimble_npl_os_log.h
@@ -24,6 +24,7 @@
 
 /* Example on how to use macro to generate module logging functions */
 #define BLE_NPL_LOG_IMPL(lvl) \
+        __attribute__((__format__ (__printf__, 1, 0))) \
         static inline void _BLE_NPL_LOG_CAT(BLE_NPL_LOG_MODULE, \
                 _BLE_NPL_LOG_CAT(_, lvl))(const char *fmt, ...)\
         {                               \