diff --git a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
index bab145bf8b3..3a37ab597b8 100644
--- a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
+++ b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
@@ -133,7 +133,7 @@ def __init__(self, analysis_module: AnalysisModule, ensemble_size: int):
 
     def update_inversion_algorithm(self, text):
         self.truncation_spinner.setEnabled(
-            not any(val in text for val in ["direct", "exact"])
+            not any(val in text.lower() for val in ["direct", "exact"])
         )
         self.analysis_module.inversion = text