diff --git a/database/migrations/2020_06_23_00522_alter_availability_perc_column.php b/database/migrations/2020_06_23_00522_alter_availability_perc_column.php
new file mode 100644
index 0000000000..8083bab392
--- /dev/null
+++ b/database/migrations/2020_06_23_00522_alter_availability_perc_column.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AlterMetricColumn extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('availability_perc', function (Blueprint $table) {
+            $table->float('availability_perc', 6, 6)->default(0.000000);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('availability_perc', function (Blueprint $table) {
+            $table->double('availability_perc', 6, 6)->default(0.000000);
+        });
+    }
+}
+
diff --git a/misc/db_schema.yaml b/misc/db_schema.yaml
index 62d3635549..6fa7f944a0 100644
--- a/misc/db_schema.yaml
+++ b/misc/db_schema.yaml
@@ -194,7 +194,7 @@ availability:
     - { Field: availability_id, Type: 'int unsigned', 'Null': false, Extra: auto_increment }
     - { Field: device_id, Type: 'int unsigned', 'Null': false, Extra: '' }
     - { Field: duration, Type: bigint, 'Null': false, Extra: '' }
-    - { Field: availability_perc, Type: 'double(6,6)', 'Null': false, Extra: '', Default: '0.000000' }
+    - { Field: availability_perc, Type: 'float(6,6)', 'Null': false, Extra: '', Default: '0.000000' }
   Indexes:
     PRIMARY: { Name: PRIMARY, Columns: [availability_id], Unique: true, Type: BTREE }
     availability_device_id_index: { Name: availability_device_id_index, Columns: [device_id], Unique: false, Type: BTREE }