1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index 28064c8625..82068f140f 100644
--- a/eval.c
+++ b/eval.c
@@ -3935,7 +3935,7 @@ assign(self, lhs, val, pcall)
 	break;
 
       case NODE_CVDECL:
-	if (ruby_verbose && FL_TEST(ruby_cbase, FL_SINGLETON)) {
+	if (RTEST(ruby_verbose) && FL_TEST(ruby_cbase, FL_SINGLETON)) {
 	    rb_warn("declaring singleton class variable");
 	}
 	rb_cvar_set(cvar_cbase(), lhs->nd_vid, val, Qtrue);