diff --git a/src/smt/theory_intblast.cpp b/src/smt/theory_intblast.cpp
index 82feb39bc..a07bf9591 100644
--- a/src/smt/theory_intblast.cpp
+++ b/src/smt/theory_intblast.cpp
@@ -178,11 +178,13 @@ namespace smt {
         expr* e = n->get_expr();
         SASSERT(bv.is_bv(e));
         auto ie = m_translator.translated(e);
-        expr_ref val(m);
         rational r;
         if (bv.is_numeral(e, r))
             ;
+        else if (!ctx.e_internalized(ie))
+            ; // it is a compound expression, we don't have to evaluate it.
         else {
+            expr_ref val(m);
             VERIFY(ctx.get_value(ctx.get_enode(ie), val));
             VERIFY(a.is_numeral(val, r));
         }