diff --git a/src/mslice/widgets/cut/cut.py b/src/mslice/widgets/cut/cut.py
index 945fd657..4f319112 100644
--- a/src/mslice/widgets/cut/cut.py
+++ b/src/mslice/widgets/cut/cut.py
@@ -146,6 +146,8 @@ def get_integration_end(self):
         return str(self.lneCutIntegrationEnd.text())
 
     def get_integration_width(self):
+        if self.lneCutIntegrationWidth.text() == "":
+            return None
         return str(self.lneCutIntegrationWidth.text())
 
     def get_intensity_start(self):