diff --git a/data/politicians/MPs_additionalInfo.csv b/data/politicians/MPs_additionalInfo.csv
index 5d43d3ab1dcaedf4ae237e7c784f7c0be18f2a3f..791a44e4efeca2801912e77d1a1026476f19dd15 100644
--- a/data/politicians/MPs_additionalInfo.csv
+++ b/data/politicians/MPs_additionalInfo.csv
@@ -15,3 +15,4 @@ Hofer,Walther,,Flawil
 Weber,Rolf,,Arbon
 Zweifel,Esaja,,Landammann
 Zweifel,Peter,,Regierungsrath
+Bühler,Peter Theophil,,Bünden
diff --git a/src/sh/extract_MPs.sh b/src/sh/extract_MPs.sh
index 45f571a390d7cf33ce2cdb197c9ef57f9e9f0250..a5de3bfd2df03f6735e4b76eabb8a6c47f8d67fb 100755
--- a/src/sh/extract_MPs.sh
+++ b/src/sh/extract_MPs.sh
@@ -2,4 +2,4 @@
 
 path_data=data/politicians/
 
-renku run python src/python/extractMPs.py ${path_data}Ratsmitglieder_1848_DE_corr.xlsx ${path_data}MPs_additionalInfo.csv ${path_data}MPs_after1890.csv ${path_data}lastnames/
+renku run --isolation python src/python/extractMPs.py ${path_data}Ratsmitglieder_1848_DE_corr.xlsx ${path_data}MPs_additionalInfo.csv ${path_data}MPs_after1890.csv ${path_data}lastnames/