diff --git a/src/components/NativeWrap.vue b/src/components/NativeWrap.vue
index 0e70af8..e976229 100644
--- a/src/components/NativeWrap.vue
+++ b/src/components/NativeWrap.vue
@@ -6,7 +6,7 @@
       </v-card-title>
       <v-card-item>
         <v-text-field class="text-end" type="number" variant="outlined" :min="0" :max="balanceFloat"
-                      v-model="floatAmount" :step="balanceFloat/10">
+                      v-model="floatAmount" :step="step">
           <template v-slot:prepend-inner>
             <v-btn variant="text" text="max" @click="floatAmount=balanceFloat"/>
           </template>
@@ -34,12 +34,13 @@ const s = useStore()
 const props = defineProps(['modelValue', 'vault', 'maxAmount'])
 const emit = defineEmits(['update:modelValue'])
 const balanceFloat = computed(() => Number(props.maxAmount)/1e18) // todo configurable native decimals
+const step = computed(()=>balanceFloat.value/20)
 const floatAmount = ref(0)
 
 function wrapNative() {
   const vaultAddr = props.vault
   const valueStr = floatAmount.value.toString();
-  const amount = floatAmount.value === balanceFloat.value ? s.nativeBalance : // maximum
+  const amount = floatAmount.value === balanceFloat.value ? props.maxAmount : // maximum
       FixedNumber.fromString(valueStr,{decimals:18, width:256, signed: false}).value;
   if( amount === 0n )
     return
diff --git a/src/components/Vault.vue b/src/components/Vault.vue
index 6131028..cbf7f15 100644
--- a/src/components/Vault.vue
+++ b/src/components/Vault.vue
@@ -118,6 +118,8 @@ async function updateNativeBalance() {
       console.log('native balance', vault, balance)
       if (s.vault===vault) // could have changed during async
         nativeBalance.value = balance
+      else
+        console.warn('vault changed during balance update', vault, s.vault)
     }
   }
 }