diff --git a/src/test/java/fr/pasteur/ida/zellige/parameters/ProjectionParametersTest.java b/src/test/java/fr/pasteur/ida/zellige/parameters/ProjectionParametersTest.java
index 6927e1b53c3a43d10a2e6bf2a7ad46c2b79692d9..02a7d7f45e597a85c7fea7510b8a654b84501ffb 100644
--- a/src/test/java/fr/pasteur/ida/zellige/parameters/ProjectionParametersTest.java
+++ b/src/test/java/fr/pasteur/ida/zellige/parameters/ProjectionParametersTest.java
@@ -44,7 +44,7 @@ public class ProjectionParametersTest
     {
         int delta = 1;
         String projectionType = "MIP";
-        assertDoesNotThrow( () -> new ProjectionParameters(delta, projectionType)  );
+        assertDoesNotThrow( () -> new ProjectionParameters(delta, 0, projectionType)  );
     }
 
     @Test
@@ -53,7 +53,7 @@ public class ProjectionParametersTest
         int delta = -1;
         String projectionMethod = "MPI";
         DataValidationException exception = assertThrows(DataValidationException.class,  () ->
-                new ProjectionParameters( delta, projectionMethod) );
+                new ProjectionParameters( delta,0,  projectionMethod) );
         assertThat(exception).hasMessageContaining( "Delta" );
     }
 
@@ -63,7 +63,7 @@ public class ProjectionParametersTest
         int delta = 1;
         String projectionMethod = "unknown method";
         DataValidationException exception = assertThrows(DataValidationException.class,  () ->
-                new ProjectionParameters( delta, projectionMethod) );
+                new ProjectionParameters( delta, 0, projectionMethod) );
         assertThat(exception).hasMessageContaining( projectionMethod );
     }