diff --git a/Snowflake.Data/Core/Session/SessionPool.cs b/Snowflake.Data/Core/Session/SessionPool.cs
index a54304930..530df1b5f 100644
--- a/Snowflake.Data/Core/Session/SessionPool.cs
+++ b/Snowflake.Data/Core/Session/SessionPool.cs
@@ -218,11 +218,11 @@ internal void ClearAllPools()
         internal async void ClearAllPoolsAsync()
         {
             s_logger.Debug("SessionPool::ClearAllPoolsAsync");
-            foreach (SFSession session in _sessions)
+            foreach (SFSession session in _idleSessions)
             {
                 await session.CloseAsync(CancellationToken.None).ConfigureAwait(false);
             }
-            _sessions.Clear();
+            _idleSessions.Clear();
         }
 
         public void SetMaxPoolSize(int size)