diff --git a/tracetools_analysis/analysis/callback_duration.ipynb b/tracetools_analysis/analysis/callback_duration.ipynb
index 2138202..bdd6280 100644
--- a/tracetools_analysis/analysis/callback_duration.ipynb
+++ b/tracetools_analysis/analysis/callback_duration.ipynb
@@ -11,8 +11,8 @@
     "# Get trace data using the provided launch file:\n",
     "#    $ ros2 launch tracetools_analysis pingpong.launch.py\n",
     "#    (wait a few seconds, then kill with Ctrl+C)\n",
-    "# AND\n",
-    "# Convert trace data:\n",
+    "#\n",
+    "# (optional) convert trace data:\n",
     "#    $ ros2 run tracetools_analysis convert ~/.ros/tracing/pingpong/ust\n",
     "#\n",
     "# OR\n",
@@ -27,8 +27,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "converted_file_path = '~/.ros/tracing/pingpong/ust/converted'\n",
-    "#converted_file_path = 'sample_data/converted_pingpong'"
+    "path = '~/.ros/tracing/pingpong/ust'\n",
+    "#path = 'sample_data/converted_pingpong'"
    ]
   },
   {
@@ -67,7 +67,7 @@
    "outputs": [],
    "source": [
     "# Process\n",
-    "events = load_file(converted_file_path)\n",
+    "events = load_file(path)\n",
     "handler = Ros2Handler.process(events)\n",
     "#handler.data.print_data()"
    ]
@@ -215,7 +215,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.6.9"
   }
  },
  "nbformat": 4,
diff --git a/tracetools_analysis/analysis/memory_usage.ipynb b/tracetools_analysis/analysis/memory_usage.ipynb
index 34fff64..0c8c260 100644
--- a/tracetools_analysis/analysis/memory_usage.ipynb
+++ b/tracetools_analysis/analysis/memory_usage.ipynb
@@ -11,8 +11,8 @@
     "# Get trace data using the provided launch file:\n",
     "#    $ ros2 launch tracetools_analysis memory_usage.launch.py\n",
     "#    (wait a few seconds, then kill with Ctrl+C)\n",
-    "# AND\n",
-    "# Convert trace data:\n",
+    "#\n",
+    "# (optional) convert trace data:\n",
     "#    $ ros2 trace-analysis convert ~/.ros/tracing/memory-usage"
    ]
   },
@@ -22,7 +22,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "converted_file_path = '~/.ros/tracing/memory-usage/converted'"
+    "path = '~/.ros/tracing/memory-usage'"
    ]
   },
   {
@@ -65,7 +65,7 @@
    "outputs": [],
    "source": [
     "# Process\n",
-    "events = load_file(converted_file_path)\n",
+    "events = load_file(path)\n",
     "ust_memory_handler = UserspaceMemoryUsageHandler()\n",
     "kernel_memory_handler = KernelMemoryUsageHandler()\n",
     "ros2_handler = Ros2Handler()\n",
diff --git a/tracetools_analysis/tracetools_analysis/loading/__init__.py b/tracetools_analysis/tracetools_analysis/loading/__init__.py
index 257959a..1a74ee9 100644
--- a/tracetools_analysis/tracetools_analysis/loading/__init__.py
+++ b/tracetools_analysis/tracetools_analysis/loading/__init__.py
@@ -114,7 +114,7 @@ def convert_if_needed(
 
 def load_file(
     input_path: str,
-    do_convert_if_needed: bool = False,
+    do_convert_if_needed: bool = True,
     force_conversion: bool = False,
 ) -> List[Dict]:
     """
diff --git a/tracetools_analysis/tracetools_analysis/scripts/memory_usage.py b/tracetools_analysis/tracetools_analysis/scripts/memory_usage.py
index 50e6801..bf2ffec 100644
--- a/tracetools_analysis/tracetools_analysis/scripts/memory_usage.py
+++ b/tracetools_analysis/tracetools_analysis/scripts/memory_usage.py
@@ -26,7 +26,7 @@ from . import get_input_path
 def main():
     input_path = get_input_path()
 
-    events = load_file(input_path, do_convert_if_needed=True)
+    events = load_file(input_path)
     ust_memory_handler = UserspaceMemoryUsageHandler()
     kernel_memory_handler = KernelMemoryUsageHandler()
     ros2_handler = Ros2Handler()