diff --git a/src/llmq/signing_shares.cpp b/src/llmq/signing_shares.cpp
index baa31593d2..5f53acce39 100644
--- a/src/llmq/signing_shares.cpp
+++ b/src/llmq/signing_shares.cpp
@@ -1479,7 +1479,7 @@ void CSigSharesManager::WorkThreadMain()
 
 void CSigSharesManager::AsyncSign(const CQuorumCPtr& quorum, const uint256& id, const uint256& msgHash)
 {
-    LOCK(cs);
+    LOCK(cs_pendingSigns);
     pendingSigns.emplace_back(quorum, id, msgHash);
 }
 
@@ -1487,7 +1487,7 @@ void CSigSharesManager::SignPendingSigShares()
 {
     std::vector<PendingSignatureData> v;
     {
-        LOCK(cs);
+        LOCK(cs_pendingSigns);
         v = std::move(pendingSigns);
     }
 
diff --git a/src/llmq/signing_shares.h b/src/llmq/signing_shares.h
index e21b6e18ab..cd772b85a0 100644
--- a/src/llmq/signing_shares.h
+++ b/src/llmq/signing_shares.h
@@ -399,7 +399,8 @@ private:
         PendingSignatureData(CQuorumCPtr quorum, const uint256& id, const uint256& msgHash) : quorum(std::move(quorum)), id(id), msgHash(msgHash){}
     };
 
-    std::vector<PendingSignatureData> pendingSigns GUARDED_BY(cs);
+    Mutex cs_pendingSigns;
+    std::vector<PendingSignatureData> pendingSigns GUARDED_BY(cs_pendingSigns);
 
     FastRandomContext rnd GUARDED_BY(cs);