diff --git a/src/lib/bounty-query.test.ts b/src/lib/bounty-query.test.ts
index 9288c63..1fb154f 100644
--- a/src/lib/bounty-query.test.ts
+++ b/src/lib/bounty-query.test.ts
@@ -172,6 +172,30 @@ describe("applyBountyQuery", () => {
     );
     expect(result.items.map((b) => b.id)).toEqual(["z", "y", "x"]);
   });
+
+  it("puts an already-expired deadline after every still-open one (#703)", () => {
+    const mixed = [
+      bounty({ id: "expired-recent", deadline: new Date(Date.now() - 3600000).toISOString(), reward: 1 }),
+      bounty({ id: "expired-long-ago", deadline: new Date(Date.now() - 86400000 * 30).toISOString(), reward: 2 }),
+      bounty({ id: "open-far", deadline: new Date(Date.now() + 86400000 * 7).toISOString(), reward: 3 }),
+      bounty({ id: "open-soon", deadline: new Date(Date.now() + 3600000).toISOString(), reward: 4 }),
+      bounty({ id: "no-deadline", deadline: null, reward: 5 }),
+    ];
+    const result = applyBountyQuery(
+      mixed,
+      { status: "all", difficulty: "all", asset: "all", sort: "deadline-asc", page: 1 },
+      10,
+    );
+    // Open bounties (soonest first), then expired ones, then no-deadline last —
+    // not a raw timestamp sort, which would put "expired-long-ago" first.
+    expect(result.items.map((b) => b.id)).toEqual([
+      "open-soon",
+      "open-far",
+      "expired-long-ago",
+      "expired-recent",
+      "no-deadline",
+    ]);
+  });
 });
 
 describe("buildBountyQueryString", () => {
diff --git a/src/lib/bounty-query.ts b/src/lib/bounty-query.ts
index 8551bb7..78ab12c 100644
--- a/src/lib/bounty-query.ts
+++ b/src/lib/bounty-query.ts
@@ -136,14 +136,25 @@ function sortBounties(bounties: Bounty[], sort: SortOption): Bounty[] {
     case "reward-asc":
       sorted.sort((a, b) => a.reward - b.reward);
       break;
-    case "deadline-asc":
+    case "deadline-asc": {
+      // Captured once so every comparison in this sort agrees on "now" (#703).
+      const now = Date.now();
       sorted.sort((a, b) => {
         if (!a.deadline && !b.deadline) return 0;
         if (!a.deadline) return 1;
         if (!b.deadline) return -1;
-        return new Date(a.deadline).getTime() - new Date(b.deadline).getTime();
+        const aTime = new Date(a.deadline).getTime();
+        const bTime = new Date(b.deadline).getTime();
+        const aExpired = aTime < now;
+        const bExpired = bTime < now;
+        // "Soonest" means soonest upcoming deadline. An already-expired
+        // deadline is never "soonest" — it ranks after every still-open one,
+        // regardless of how its raw timestamp compares.
+        if (aExpired !== bExpired) return aExpired ? 1 : -1;
+        return aTime - bTime;
       });
       break;
+    }
     case "default":
       break;
   }