diff --git a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/dynamic_property/calculator/DynamicPropertyCalculatorTest.java b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/dynamic_property/calculator/DynamicPropertyCalculatorTest.java
index 578f08e2e0e6e05c5d08ef5256a9fdea6b0a9581..6f8d65e7e26b381f6d63777969463ab1f8e7d240 100644
--- a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/dynamic_property/calculator/DynamicPropertyCalculatorTest.java
+++ b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/dynamic_property/calculator/DynamicPropertyCalculatorTest.java
@@ -137,7 +137,7 @@ public class DynamicPropertyCalculatorTest extends AssertJUnit
         final String typeCode = "TYPE";
 
         final DynamicPropertyCalculator calculator =
-                DynamicPropertyCalculator.create("material(" + code + ", " + typeCode + ")");
+                DynamicPropertyCalculator.create("material('" + code + "', '" + typeCode + "')");
         assertEquals(MaterialIdentifier.print(code, typeCode), calculator.evalAsString());
     }