diff --git a/src/js/core/base-layers.js b/src/js/core/base-layers.js
index ec5d068..a27fc83 100644
--- a/src/js/core/base-layers.js
+++ b/src/js/core/base-layers.js
@@ -658,7 +658,8 @@ class Base_layers_class {
 	}
 
 	/**
-	 * returns global position, for example if canvas is zoomed, it will convert relative mouse position to absolute at 100% zoom.
+	 * returns global position, for example if canvas is zoomed, it will convert relative mouse position to absolute
+	 * at 100% zoom.
 	 *
 	 * @param {int} x
 	 * @param {int} y
diff --git a/src/js/core/gui/gui-preview.js b/src/js/core/gui/gui-preview.js
index a37b9c5..ae62eed 100644
--- a/src/js/core/gui/gui-preview.js
+++ b/src/js/core/gui/gui-preview.js
@@ -16,7 +16,7 @@ var template = `
 	<div class="canvas_preview_details">
 		<div class="details">
 			<button title="Zoom out" class="layer_add trn" id="zoom_less"">-</button>
-			<button title="Reset zoom level"  class="layer_add trn" id="zoom_100"">100%</button>
+			<button title="Reset zoom level"  class="layer_add trn" id="zoom_100">100%</button>
 			<button title="Zoom in" class="layer_add trn" id="zoom_more"">+</button>
 			<button class="layer_add trn" id="zoom_fit">Fit</button>
 		</div>
@@ -209,7 +209,7 @@ class GUI_preview_class {
 		this.canvas_preview.stroke();
 	}
 
-	zoom(recalc) {
+	async zoom(recalc) {
 		if (recalc != undefined) {
 			//zoom-in or zoom-out
 			if (recalc == 1 || recalc == -1) {
@@ -275,6 +275,10 @@ class GUI_preview_class {
 
 		config.need_render = true;
 		this.GUI.prepare_canvas();
+
+		//sleep after last image import, it maybe not be finished yet
+		await new Promise(r => setTimeout(r, 10));
+
 		return true;
 	}
 
diff --git a/src/js/modules/file/open.js b/src/js/modules/file/open.js
index 2258451..d299802 100644
--- a/src/js/modules/file/open.js
+++ b/src/js/modules/file/open.js
@@ -428,7 +428,7 @@ class File_open_class {
 	}
 
 	/**
-	 * includes provided resource (iamge or json)
+	 * includes provided resource (image or json)
 	 *
 	 * @param string resource_url
 	 */
@@ -591,6 +591,9 @@ class File_open_class {
 
 		const actions = [];
 
+		//reset zoom
+		await this.Base_gui.GUI_preview.zoom(100); //reset zoom
+
 		//set attributes
 		actions.push(
 			new app.Actions.Refresh_action_attributes_action('undo'),