diff --git a/src/ast/sls/sls_bv_eval.cpp b/src/ast/sls/sls_bv_eval.cpp
index 5522076a0..c4f2dbb64 100644
--- a/src/ast/sls/sls_bv_eval.cpp
+++ b/src/ast/sls/sls_bv_eval.cpp
@@ -679,7 +679,7 @@ namespace sls {
         ++m_lookahead_steps;
         if (m_lookahead_steps < m_lookahead_phase_size)
             return true;
-        if (m_lookahead_steps > 2 * m_lookahead_phase_size)
+        if (m_lookahead_steps > 10 * m_lookahead_phase_size)
             m_lookahead_steps = 0;
         return false;
     }
diff --git a/src/ast/sls/sls_bv_eval.h b/src/ast/sls/sls_bv_eval.h
index b6ac73e63..3f5f87024 100644
--- a/src/ast/sls/sls_bv_eval.h
+++ b/src/ast/sls/sls_bv_eval.h
@@ -53,7 +53,7 @@ namespace sls {
         config              m_config;
         bool_vector         m_fixed;
         unsigned            m_lookahead_steps = 0;
-        unsigned            m_lookahead_phase_size = 100;
+        unsigned            m_lookahead_phase_size = 10;
         
 
         scoped_ptr_vector<sls::bv_valuation> m_values; // expr-id -> bv valuation