diff --git a/src/urh/models/FileIconProvider.py b/src/urh/models/FileIconProvider.py
index 81f35001..c1f88df6 100644
--- a/src/urh/models/FileIconProvider.py
+++ b/src/urh/models/FileIconProvider.py
@@ -13,8 +13,12 @@ class FileIconProvider(QFileIconProvider):
 
     def icon(self, arg):
         if isinstance(arg, QFileInfo):
-            if (arg.isDir() and os.path.isfile(os.path.join(arg.filePath(), constants.PROJECT_FILE))) \
-                    or (arg.isFile() and arg.fileName() == constants.PROJECT_FILE):
-                return QIcon(":/icons/icons/appicon.png")
+            try:
+                if (arg.isDir() and os.path.isfile(os.path.join(arg.filePath(), constants.PROJECT_FILE))) \
+                        or (arg.isFile() and arg.fileName() == constants.PROJECT_FILE):
+                    return QIcon(":/icons/icons/appicon.png")
+            except:
+                # In some environments (e.g. docker) there tend to be encoding errors
+                pass
 
         return super().icon(arg)