diff --git a/core/test/net/sf/openrocket/simulation/DisableStageTest.java b/core/test/net/sf/openrocket/simulation/DisableStageTest.java
index ff08452f8..1162a7ef0 100644
--- a/core/test/net/sf/openrocket/simulation/DisableStageTest.java
+++ b/core/test/net/sf/openrocket/simulation/DisableStageTest.java
@@ -19,7 +19,7 @@ import org.junit.Test;
  * @author Sibo Van Gool <sibo.vangool@hotmail.com>
  */
 public class DisableStageTest extends BaseTestCase {
-    private final double delta = 0.025;  // 2.5 % error margin (simulations are not exact)
+    private final double delta = 0.05;  // 5 % error margin (simulations are not exact)
 
     /**
      * Tests that the simulation results are correct when a single stage is deactivated and re-activated.