diff --git a/src/main/java/net/schmizz/sshj/connection/channel/Window.java b/src/main/java/net/schmizz/sshj/connection/channel/Window.java
index 79cc02eb..8f34fb35 100644
--- a/src/main/java/net/schmizz/sshj/connection/channel/Window.java
+++ b/src/main/java/net/schmizz/sshj/connection/channel/Window.java
@@ -51,12 +51,13 @@ public abstract class Window {
         return size;
     }
 
-    public void consume(int dec) {
+    public void consume(int dec)
+            throws ConnectionException {
         synchronized (lock) {
             log.debug("Consuming by " + dec + " down to " + size);
             size -= dec;
             if (size < 0)
-                throw new SSHRuntimeException("Window consumed to below 0");
+                throw new ConnectionException("Window consumed to below 0");
         }
     }
 
@@ -88,6 +89,14 @@ public abstract class Window {
             }
         }
 
+        public void consume(int howMuch) {
+            try {
+                super.consume(howMuch);
+            } catch (ConnectionException e) {
+                throw new SSHRuntimeException(e);
+            }
+        }
+
     }
 
     /** Controls how much data remote end can send before an adjustment notification from us is required. */