diff --git a/src/main/java/org/orekit/rugged/errors/RuggedException.java b/src/main/java/org/orekit/rugged/errors/RuggedException.java
index 47064b07d13589ee569036fc0afd895b5fc958cf..635d8819342de3f838e950fab73927aa804772a2 100644
--- a/src/main/java/org/orekit/rugged/errors/RuggedException.java
+++ b/src/main/java/org/orekit/rugged/errors/RuggedException.java
@@ -35,7 +35,7 @@ import org.hipparchus.exception.LocalizedException;
 
  */
 
-public class RuggedException extends Exception implements LocalizedException {
+public class RuggedException extends RuntimeException implements LocalizedException {
 
     /** Serializable UID. */
     private static final long serialVersionUID = 20140309L;