diff --git a/common/ScalingSettings.cpp b/common/ScalingSettings.cpp
index 2016afba5..8b70c6ac9 100644
--- a/common/ScalingSettings.cpp
+++ b/common/ScalingSettings.cpp
@@ -90,7 +90,7 @@ std::optional<double> ScalingSettings::GetRotationWedgeForScaling() const {
 }
 
 ScalingSettings &ScalingSettings::MinPartiality(double input) {
-    if (min_partiality < 0.0 || min_partiality > 1.0)
+    if (!(input >= 0.0 && input <= 1.0))
         throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Min partiality must be between 0 and 1");
     min_partiality = input;
     return *this;
diff --git a/tests/MergeScaleTest.cpp b/tests/MergeScaleTest.cpp
index 0d42c77aa..c2c930911 100644
--- a/tests/MergeScaleTest.cpp
+++ b/tests/MergeScaleTest.cpp
@@ -1143,3 +1143,12 @@ TEST_CASE("MergeOnTheFly_CaptureTermDownweightsPartials") {
     CHECK(with < without);
     CHECK(with < 1.08f);
 }
+
+// The setter checks the value it is given, not the one it replaces.
+TEST_CASE("ScalingSettings_MinPartialityRange") {
+    ScalingSettings s;
+    CHECK_THROWS(s.MinPartiality(1.5));
+    CHECK_THROWS(s.MinPartiality(-0.1));
+    CHECK_NOTHROW(s.MinPartiality(0.5));
+    CHECK(s.GetMinPartiality() == 0.5);
+}