diff --git a/src/muz/base/fixedpoint_params.pyg b/src/muz/base/fixedpoint_params.pyg
index 07b555095..dc051bd71 100644
--- a/src/muz/base/fixedpoint_params.pyg
+++ b/src/muz/base/fixedpoint_params.pyg
@@ -192,7 +192,8 @@ def_module_params('fixedpoint',
                           ('spacer.quic_gen_normalize', BOOL, True, 'normalize cube before quantified generalization'),
                           ('spacer.share_lemmas', BOOL, False, "Share frame lemmas"),
                           ('spacer.share_invariants', BOOL, False, "Share invariants lemmas"),
-))
+                          ('spacer.from_level', UINT, 0, 'starting level to explore')
+                          ))
 
 
 
diff --git a/src/muz/spacer/spacer_dl_interface.cpp b/src/muz/spacer/spacer_dl_interface.cpp
index 57c225b38..69e5d76ff 100644
--- a/src/muz/spacer/spacer_dl_interface.cpp
+++ b/src/muz/spacer/spacer_dl_interface.cpp
@@ -170,7 +170,7 @@ lbool dl_interface::query(expr * query)
         return l_false;
     }
 
-    return m_context->solve();
+    return m_context->solve(m_ctx.get_params().spacer_from_level());
 
 }