diff --git a/common/jsonrpc_errors.h b/common/jsonrpc_errors.h
index d3fe80d53997..a2ea1bf1b2e1 100644
--- a/common/jsonrpc_errors.h
+++ b/common/jsonrpc_errors.h
@@ -116,6 +116,7 @@ enum jsonrpc_errcode {
 	OFFER_BAD_INVREQ_REPLY = 1004,
 	OFFER_TIMEOUT = 1005,
 	OFFER_ALREADY_ENABLED = 1006,
+	OFFER_USED_SINGLE_USE = 1007,
 
 	/* Errors from datastore command */
 	DATASTORE_DEL_DOES_NOT_EXIST = 1200,
diff --git a/lightningd/offer.c b/lightningd/offer.c
index bd4357eb33af..50edd4d4f9b6 100644
--- a/lightningd/offer.c
+++ b/lightningd/offer.c
@@ -282,6 +282,10 @@ static struct command_result *json_enableoffer(struct command *cmd,
 		return command_fail(cmd, OFFER_ALREADY_ENABLED,
 				    "offer already active");
 
+	if (offer_status_single(status) && offer_status_used(status))
+		return command_fail(cmd, OFFER_USED_SINGLE_USE,
+				    "cannot activate an used single use offer");
+
 	if (command_check_only(cmd))
 		return command_check_done(cmd);
 
diff --git a/tests/test_pay.py b/tests/test_pay.py
index 48abcb3142ab..cf016f58ef5d 100644
--- a/tests/test_pay.py
+++ b/tests/test_pay.py
@@ -4591,9 +4591,11 @@ def test_fetchinvoice(node_factory, bitcoind):
     assert 'msat' not in inv1['changes']
 
     # Single-use invoice can be fetched multiple times, only paid once.
-    offer2 = l3.rpc.call('offer', {'amount': '1msat',
-                                   'description': 'single-use test',
-                                   'single_use': True})['bolt12']
+    offer2_ret = l3.rpc.call('offer', {'amount': '1msat',
+                                       'description': 'single-use test',
+                                       'single_use': True})
+    offer2 = offer2_ret['bolt12']
+    offer2_id = offer2_ret['offer_id']
 
     # We've done 3 onion calls: sleep now to avoid hitting ratelimit!
     time.sleep(1)
@@ -4614,6 +4616,12 @@ def test_fetchinvoice(node_factory, bitcoind):
     with pytest.raises(RpcError, match='Offer no longer available'):
         l1.rpc.call('fetchinvoice', {'offer': offer2})
 
+    # Can't enable it either!
+    OFFER_USED_SINGLE_USE = 1007
+    with pytest.raises(RpcError) as excinfo:
+        l3.rpc.enableoffer(offer_id=offer2_id)
+    assert excinfo.value.error['code'] == OFFER_USED_SINGLE_USE
+
     # Now, test amount in different currency!
     plugin = os.path.join(os.path.dirname(__file__), 'plugins/currencyUSDAUD5000.py')
     l3.rpc.plugin_start(plugin)