diff --git a/src/ifcgeom_schema_agnostic/IfcGeomIteratorSettings.cpp b/src/ifcgeom_schema_agnostic/IfcGeomIteratorSettings.cpp
new file mode 100644
index 0000000000..9a2df3a578
--- /dev/null
+++ b/src/ifcgeom_schema_agnostic/IfcGeomIteratorSettings.cpp
@@ -0,0 +1,12 @@
+#include "IfcGeomIteratorSettings.h"
+
+#include "../ifcparse/IfcLogger.h"
+
+void IfcGeom::IteratorSettings::set_deflection_tolerance(double value)
+{
+	deflection_tolerance_ = value;
+	if (deflection_tolerance_ <= 1e-6) {
+		Logger::Message(Logger::LOG_WARNING, "Deflection tolerance cannot be set to <= 1e-6; using the default value 1e-3");
+		deflection_tolerance_ = 1e-3;
+	}
+}