diff --git a/AMDiS/src/OEMSolver.h b/AMDiS/src/OEMSolver.h
index a80dc29a2787c69c2c60fb0c77ede6c2e908726a..d42a5cf4ae89a156e0b45fd1c8cdc67505d8a47a 100644
--- a/AMDiS/src/OEMSolver.h
+++ b/AMDiS/src/OEMSolver.h
@@ -218,7 +218,7 @@ namespace AMDiS {
     }
 
     /// Sets \ref relative
-    inline void setRelative(bool rel) 
+    inline void setRelative(double rel) 
     {
       relative = rel;
     }