diff --git a/src/main/java/org/orekit/rugged/errors/DumpManager.java b/src/main/java/org/orekit/rugged/errors/DumpManager.java
index acb944807c4543d334dcef5c85d9c48cfe0b014d..713beb5fe282d9596ae8c9d2b4163bb2f0b5d989 100644
--- a/src/main/java/org/orekit/rugged/errors/DumpManager.java
+++ b/src/main/java/org/orekit/rugged/errors/DumpManager.java
@@ -80,7 +80,7 @@ public class DumpManager {
             DUMP.get().deactivate();
             DUMP.set(null);
         } else {
-            throw new RuggedException(RuggedMessages.DEBUG_DUMP_ALREADY_ACTIVE);
+            throw new RuggedException(RuggedMessages.DEBUG_DUMP_NOT_ACTIVE);
         }
     }