diff --git a/meshroom/ui/components/filepath.py b/meshroom/ui/components/filepath.py
index f15d9700..6c19e87f 100644
--- a/meshroom/ui/components/filepath.py
+++ b/meshroom/ui/components/filepath.py
@@ -2,7 +2,7 @@
 # coding:utf-8
 from meshroom.core import pyCompatibility
 
-from PySide2.QtCore import QUrl
+from PySide2.QtCore import QUrl, QFileInfo
 from PySide2.QtCore import QObject, Slot
 
 import os
@@ -89,3 +89,8 @@ class FilepathHelper(QObject):
         if fileList:
           return fileList[0]
         return ""
+
+    @Slot(QUrl, result=int)
+    def fileSizeMB(self, path):
+        """ Returns the file size in MB. """
+        return QFileInfo(self.asStr(path)).size() / (1024*1024)
diff --git a/meshroom/ui/qml/Viewer3D/MediaLoader.qml b/meshroom/ui/qml/Viewer3D/MediaLoader.qml
index 38a50fd1..96bfc516 100644
--- a/meshroom/ui/qml/Viewer3D/MediaLoader.qml
+++ b/meshroom/ui/qml/Viewer3D/MediaLoader.qml
@@ -110,6 +110,14 @@ import Utils 1.0
         MediaLoaderEntity {
             id: exrLoaderEntity
             Component.onCompleted: {
+                var fSize = Filepath.fileSizeMB(source)
+                if(fSize > 500)
+                {
+                    // Do not load images that are larger than 500MB
+                    console.warn("Viewer3D: Do not load the EXR in 3D as the file size is too large: " + fSize + "MB")
+                    root.status = SceneLoader.Error;
+                    return;
+                }
                 // EXR loading strategy:
                 //   - [1] as a depth map
                 var obj = Viewer3DSettings.depthMapLoaderComp.createObject(