diff --git a/cmd/setup/13/13_fix_quota_constraints.sql b/cmd/setup/13/13_fix_quota_constraints.sql
index 7acae459336..d1f95d74ab1 100644
--- a/cmd/setup/13/13_fix_quota_constraints.sql
+++ b/cmd/setup/13/13_fix_quota_constraints.sql
@@ -1,4 +1,4 @@
-ALTER TABLE projections.quotas ALTER COLUMN from_anchor DROP NOT NULL;
-ALTER TABLE projections.quotas ALTER COLUMN amount DROP NOT NULL;
-ALTER TABLE projections.quotas ALTER COLUMN interval DROP NOT NULL;
-ALTER TABLE projections.quotas ALTER COLUMN limit_usage DROP NOT NULL;
+ALTER TABLE IF EXISTS projections.quotas ALTER COLUMN from_anchor DROP NOT NULL;
+ALTER TABLE IF EXISTS projections.quotas ALTER COLUMN amount DROP NOT NULL;
+ALTER TABLE IF EXISTS projections.quotas ALTER COLUMN interval DROP NOT NULL;
+ALTER TABLE IF EXISTS projections.quotas ALTER COLUMN limit_usage DROP NOT NULL;