diff --git a/src/protocol/pool_proto_modules.c b/src/protocol/pool_proto_modules.c
index e62a3e0bf..71bad97d2 100644
--- a/src/protocol/pool_proto_modules.c
+++ b/src/protocol/pool_proto_modules.c
@@ -1469,6 +1469,12 @@ Parse(POOL_CONNECTION * frontend, POOL_CONNECTION_POOL * backend,
 		{
 			int			i;
 
+			/*
+			 * Temporarily unset query in progress so that all live backend
+			 * are processed.
+			 */
+			pool_unset_query_in_progress();
+
 			/* synchronize transaction state */
 			for (i = 0; i < NUM_BACKENDS; i++)
 			{