diff --git a/src/json_rpc_request.cpp b/src/json_rpc_request.cpp
index e05e88a..6fb062e 100644
--- a/src/json_rpc_request.cpp
+++ b/src/json_rpc_request.cpp
@@ -495,6 +495,8 @@ void Call(const std::string& address, int port, const std::string& req, const st
 			catch (const std::exception& e) {
 				const char* msg = e.what();
 				(*close_cb)(msg, strlen(msg), 0.0);
+				delete cb;
+				delete close_cb;
 			}
 		});
 
@@ -502,6 +504,8 @@ void Call(const std::string& address, int port, const std::string& req, const st
 		static constexpr char err[] = "CallOnLoop failed";
 		LOGERR(1, err);
 		(*close_cb)(err, sizeof(err) - 1, 0.0);
+		delete cb;
+		delete close_cb;
 	}
 }
 
diff --git a/src/p2pool.cpp b/src/p2pool.cpp
index 4809d21..4cac425 100644
--- a/src/p2pool.cpp
+++ b/src/p2pool.cpp
@@ -658,7 +658,7 @@ void p2pool::submit_aux_block_async(const std::vector<SubmitAuxBlockData>& aux_b
 
 	// If p2pool is stopped, m_submitAuxBlockAsync is most likely already closed
 	if (m_stopped) {
-		LOGWARN(0, "p2pool is shutting down, but a block was found. Trying to submit it anyway!");
+		LOGWARN(0, "p2pool is shutting down, but an aux block was found. Trying to submit it anyway!");
 		submit_aux_block();
 		return;
 	}