diff --git a/vasttools/pipeline.py b/vasttools/pipeline.py
index 71f50b80..857c4ea4 100644
--- a/vasttools/pipeline.py
+++ b/vasttools/pipeline.py
@@ -361,7 +361,7 @@ def get_source(
         if self._vaex_meas:
             measurements = the_measurements[
                 the_measurements['source'] == id
-            ].extract().to_pandas_df()
+            ].to_pandas_df()
 
         else:
             measurements = the_measurements.loc[