diff --git a/src/tactic/ufbv/ufbv_tactic.cpp b/src/tactic/ufbv/ufbv_tactic.cpp
index 9d16d7f9a..b5a4ca3a3 100644
--- a/src/tactic/ufbv/ufbv_tactic.cpp
+++ b/src/tactic/ufbv/ufbv_tactic.cpp
@@ -40,12 +40,12 @@ tactic * mk_ufbv_preprocessor_tactic(ast_manager & m, params_ref const & p) {
     no_elim_and.set_bool("elim_and", false);
 
     return and_then(
-		mk_trace_tactic("ufbv_pre"),
+        mk_trace_tactic("ufbv_pre"),
                 and_then(mk_simplify_tactic(m, p),
                          mk_propagate_values_tactic(m, p),
                          and_then(using_params(mk_macro_finder_tactic(m, no_elim_and), no_elim_and), 
-				  mk_simplify_tactic(m, p)),
-                         and_then(mk_snf_tactic(m, p), mk_simplify_tactic(m, p)),			 
+                  mk_simplify_tactic(m, p)),
+                         and_then(mk_snf_tactic(m, p), mk_simplify_tactic(m, p)),             
                          mk_elim_and_tactic(m, p),
                          mk_solve_eqs_tactic(m, p),
                          and_then(mk_der_fp_tactic(m, p), mk_simplify_tactic(m, p)),
@@ -56,7 +56,7 @@ tactic * mk_ufbv_preprocessor_tactic(ast_manager & m, params_ref const & p) {
                          and_then(mk_quasi_macros_tactic(m, p), mk_simplify_tactic(m, p)),
                          and_then(mk_der_fp_tactic(m, p), mk_simplify_tactic(m, p)),
                          mk_simplify_tactic(m, p)),
-		mk_trace_tactic("ufbv_post"));
+        mk_trace_tactic("ufbv_post"));
 }
 
 tactic * mk_ufbv_tactic(ast_manager & m, params_ref const & p) {