diff --git a/src/if_ruby.c b/src/if_ruby.c
index 4b9af31..2e1f8d7 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -1085,8 +1085,10 @@
     }
     else if (tv->v_type == VAR_SPECIAL)
     {
-	if (tv->vval.v_number <= VVAL_TRUE)
-	    result = INT2NUM(tv->vval.v_number);
+	if (tv->vval.v_number == VVAL_TRUE)
+	    result = Qtrue;
+	else if (tv->vval.v_number == VVAL_FALSE)
+	    result = Qfalse;
     } /* else return Qnil; */
 
     return result;