diff --git a/src/network/net_rtl8139.c b/src/network/net_rtl8139.c
index 0d07a8f83..f1e531deb 100644
--- a/src/network/net_rtl8139.c
+++ b/src/network/net_rtl8139.c
@@ -3294,8 +3294,8 @@ nic_init(const device_t *info)
     params.nwords          = 64;
     params.default_content = (uint16_t *) s->eeprom_data;
     params.filename        = filename;
-    snprintf(filename, sizeof(filename), "nmc93cxx_eeprom_%s_%d.nvr", info->internal_name, device_get_instance());
-    s->eeprom = device_add_params(&nmc93cxx_device, &params);
+    snprintf(filename, sizeof(filename), "nmc93cxx_eeprom_%s_%d.nvr", info->internal_name, s->inst);
+    s->eeprom = device_add_inst_params(&nmc93cxx_device, s->inst, &params);
     if (s->eeprom == NULL) {
         free(s);
         return NULL;
diff --git a/src/network/net_tulip.c b/src/network/net_tulip.c
index 685873c93..883ba53ad 100644
--- a/src/network/net_tulip.c
+++ b/src/network/net_tulip.c
@@ -1643,8 +1643,9 @@ nic_init(const device_t *info)
         params.nwords          = 64;
         params.default_content = (uint16_t *) s->eeprom_data;
         params.filename        = filename;
-        snprintf(filename, sizeof(filename), "nmc93cxx_eeprom_%s_%d.nvr", info->internal_name, device_get_instance());
-        s->eeprom = device_add_params(&nmc93cxx_device, &params);
+        int inst               = device_get_instance();
+        snprintf(filename, sizeof(filename), "nmc93cxx_eeprom_%s_%d.nvr", info->internal_name, inst);
+        s->eeprom = device_add_inst_params(&nmc93cxx_device, inst, &params);
         if (s->eeprom == NULL) {
             free(s);
             return NULL;