diff --git a/src/ast/fpa/fpa2bv_converter.cpp b/src/ast/fpa/fpa2bv_converter.cpp
index 863d1d8db..1d66b793d 100644
--- a/src/ast/fpa/fpa2bv_converter.cpp
+++ b/src/ast/fpa/fpa2bv_converter.cpp
@@ -923,7 +923,8 @@ void fpa2bv_converter::mk_div(func_decl * f, unsigned num, expr * const * args,
             m_bv_util.mk_bv_sub(b_exp_ext, b_lz_ext));
 
     expr_ref quotient(m);
-    quotient = m.mk_app(m_bv_util.get_fid(), OP_BUDIV, a_sig_ext, b_sig_ext);
+    // b_sig_ext can't be 0 here, so it's safe to use OP_BUDIV_I
+    quotient = m.mk_app(m_bv_util.get_fid(), OP_BUDIV_I, a_sig_ext, b_sig_ext);
 
     dbg_decouple("fpa2bv_div_quotient", quotient);