diff --git a/src/test/modules/test_resowner/test_resowner_many.c b/src/test/modules/test_resowner/test_resowner_many.c
index a3b49bbbcf2..e3873bc57a1 100644
--- a/src/test/modules/test_resowner/test_resowner_many.c
+++ b/src/test/modules/test_resowner/test_resowner_many.c
@@ -213,14 +213,14 @@ test_resowner_many(PG_FUNCTION_ARGS)
 	ManyTestResourceKind *after_kinds;
 
 	/* Sanity check the arguments */
-	if (nkinds < 0)
-		elog(ERROR, "nkinds must be >= 0");
+	if (nkinds <= 0)
+		elog(ERROR, "nkinds must be > 0");
 	if (nremember_bl < 0)
 		elog(ERROR, "nremember_bl must be >= 0");
 	if (nforget_bl < 0 || nforget_bl > nremember_bl)
 		elog(ERROR, "nforget_bl must between 0 and 'nremember_bl'");
 	if (nremember_al < 0)
-		elog(ERROR, "nremember_al must be greater than zero");
+		elog(ERROR, "nremember_al must be >= 0");
 	if (nforget_al < 0 || nforget_al > nremember_al)
 		elog(ERROR, "nforget_al must between 0 and 'nremember_al'");