diff --git a/src/context/pool_query_context.c b/src/context/pool_query_context.c
index 4762c758e..3b9028497 100644
--- a/src/context/pool_query_context.c
+++ b/src/context/pool_query_context.c
@@ -676,7 +676,7 @@ pool_send_and_wait(POOL_QUERY_CONTEXT * query_context,
 		 * that any session object (i.e. named statement) does not remain in
 		 * the last session.
 		 */
-		if (per_node_error_log(backend, i, string, "pool_send_and_wait: Error or notice message from backend: ", true) == 'E')
+		if (per_node_error_log(backend, i, string, "pool_send_and_wait: Error or notice message from backend", true) == 'E')
 			reset_query_error = true;
 	}
 
@@ -888,7 +888,7 @@ pool_extended_send_and_wait(POOL_QUERY_CONTEXT * query_context,
 			 * does not report what statement caused that error and make users
 			 * confused.
 			 */
-			per_node_error_log(backend, i, str, "pool_send_and_wait: Error or notice message from backend: ", true);
+			per_node_error_log(backend, i, str, "pool_send_and_wait: Error or notice message from backend", true);
 		}
 	}
 
diff --git a/src/protocol/pool_proto_modules.c b/src/protocol/pool_proto_modules.c
index 50974e1f1..59647fe81 100644
--- a/src/protocol/pool_proto_modules.c
+++ b/src/protocol/pool_proto_modules.c
@@ -1615,7 +1615,7 @@ Parse(POOL_CONNECTION * frontend, POOL_CONNECTION_POOL * backend,
 		 * PostgreSQL does not report what statement caused that error and
 		 * make users confused.
 		 */
-		per_node_error_log(backend, MAIN_NODE_ID, stmt, "Parse: Error or notice message from backend: ", true);
+		per_node_error_log(backend, MAIN_NODE_ID, stmt, "Parse: Error or notice message from backend", true);
 
 		if (deadlock_detected)
 		{
@@ -2328,7 +2328,7 @@ ReadyForQuery(POOL_CONNECTION * frontend,
 			if (!pool_read_buffer_is_empty(CONNECTION(backend, i)))
 				per_node_error_log(backend, i,
 								   "(out of band message)",
-								   "ReadyForQuery: Error or notice message from backend: ", false);
+								   "ReadyForQuery: Error or notice message from backend", false);
 		}
 	}