diff --git a/packages/core/src/ifc/Utils/properties-utils.ts b/packages/core/src/ifc/Utils/properties-utils.ts
index ba3bdf64..0306dae5 100644
--- a/packages/core/src/ifc/Utils/properties-utils.ts
+++ b/packages/core/src/ifc/Utils/properties-utils.ts
@@ -35,7 +35,7 @@ export class IfcPropertiesUtils {
       } else if (unit.Prefix?.value === "CENTI") {
         factor = 0.01;
       } else if (unit.Prefix?.value === "DECI") {
-        factor = 0.01;
+        factor = 0.1;
       }
       return unitValue * factor;
     }