diff --git a/plugins/SliceInfoPlugin/SliceInfo.py b/plugins/SliceInfoPlugin/SliceInfo.py
index 48c1d2ab20..d92a4f3376 100755
--- a/plugins/SliceInfoPlugin/SliceInfo.py
+++ b/plugins/SliceInfoPlugin/SliceInfo.py
@@ -178,7 +178,7 @@ class SliceInfo(QObject, Extension):
 
             data["quality_profile"] = global_stack.quality.getMetaData().get("quality_type")
 
-            data["user_modified_setting_keys"] = ",".join(self._getUserModifiedSettingKeys())
+            data["user_modified_setting_keys"] = self._getUserModifiedSettingKeys()
 
             data["models"] = []
             # Listing all files placed on the build plate
diff --git a/plugins/SliceInfoPlugin/example_data.json b/plugins/SliceInfoPlugin/example_data.json
index 3f0a9fb388..5fc4175e60 100644
--- a/plugins/SliceInfoPlugin/example_data.json
+++ b/plugins/SliceInfoPlugin/example_data.json
@@ -56,7 +56,7 @@
         }
     ],
     "quality_profile": "fast",
-    "user_modified_setting_keys": "layer_height,wall_line_width,infill_sparse_density",
+    "user_modified_setting_keys": ["layer_height", "wall_line_width", "infill_sparse_density"],
     "models": [
         {
             "hash": "b72789b9beb5366dff20b1cf501020c3d4d4df7dc2295ecd0fddd0a6436df070",