diff --git a/src/client/app/admin/views/instance.vue b/src/client/app/admin/views/instance.vue
index 4d7965e703..c5c7c66148 100644
--- a/src/client/app/admin/views/instance.vue
+++ b/src/client/app/admin/views/instance.vue
@@ -14,7 +14,7 @@
 			<header><fa icon="cloud"/> %i18n:@drive-config%</header>
 			<ui-switch v-model="cacheRemoteFiles">%i18n:@cache-remote-files%<span slot="desc">%i18n:@cache-remote-files-desc%</span></ui-switch>
 			<ui-input v-model="localDriveCapacityMb">%i18n:@local-drive-capacity-mb%<span slot="text">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
-			<ui-input v-model="remoteDriveCapacityMb">%i18n:@remote-drive-capacity-mb%<span slot="text">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
+			<ui-input v-model="remoteDriveCapacityMb" :disabled="!cacheRemoteFiles">%i18n:@remote-drive-capacity-mb%<span slot="text">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
 		</section>
 		<section>
 			<ui-button @click="updateMeta">%i18n:@save%</ui-button>
diff --git a/src/client/app/common/views/components/ui/input.vue b/src/client/app/common/views/components/ui/input.vue
index e63f0074c1..90df6fedb9 100644
--- a/src/client/app/common/views/components/ui/input.vue
+++ b/src/client/app/common/views/components/ui/input.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="ui-input" :class="[{ focused, filled, inline }, styl]">
+<div class="ui-input" :class="[{ focused, filled, inline, disabled }, styl]">
 	<div class="icon" ref="icon"><slot name="icon"></slot></div>
 	<div class="input">
 		<div class="password-meter" v-if="withPasswordMeter" v-show="passwordStrength != ''" :data-strength="passwordStrength">
@@ -11,6 +11,7 @@
 			<input ref="input"
 					:type="type"
 					v-model="v"
+					:disabled="disabled"
 					:required="required"
 					:readonly="readonly"
 					:pattern="pattern"
@@ -62,6 +63,10 @@ export default Vue.extend({
 			type: Boolean,
 			required: false
 		},
+		disabled: {
+			type: Boolean,
+			required: false
+		},
 		pattern: {
 			type: String,
 			required: false
@@ -353,4 +358,10 @@ root(fill)
 		display inline-block
 		margin 0
 
+	&.disabled
+		opacity 0.7
+
+		&, *
+			cursor not-allowed !important
+
 </style>