diff --git a/src/main/java/com/gregor/jprototerm/Compositor.java b/src/main/java/com/gregor/jprototerm/Compositor.java
index 1db1a69..6a57cea 100644
--- a/src/main/java/com/gregor/jprototerm/Compositor.java
+++ b/src/main/java/com/gregor/jprototerm/Compositor.java
@@ -244,8 +244,7 @@ public final class Compositor {
             drawTabBar(gc, canvas.getWidth(), topInset);
         }
         for (TerminalPane pane : panes) {
-            pane.paintFull(gc, isActive(pane));
-            paneContentVersion.put(pane, pane.contentVersion());
+            paneContentVersion.put(pane, pane.paintFull(gc, isActive(pane)));
         }
     }
 
@@ -262,8 +261,7 @@ public final class Compositor {
             if (drawn != null && drawn == pane.contentVersion()) {
                 continue;
             }
-            pane.paintIncremental(gc, isActive(pane));
-            paneContentVersion.put(pane, pane.contentVersion());
+            paneContentVersion.put(pane, pane.paintIncremental(gc, isActive(pane)));
         }
     }
 
diff --git a/src/main/java/com/gregor/jprototerm/TerminalPane.java b/src/main/java/com/gregor/jprototerm/TerminalPane.java
index 05961ec..a44f962 100644
--- a/src/main/java/com/gregor/jprototerm/TerminalPane.java
+++ b/src/main/java/com/gregor/jprototerm/TerminalPane.java
@@ -283,13 +283,15 @@ public final class TerminalPane implements AutoCloseable, RenderTarget {
     }
 
     /** Paint the whole pane; see {@link TerminalRenderer#paintFull}. */
-    public void paintFull(GraphicsContext gc, boolean active) {
+    public long paintFull(GraphicsContext gc, boolean active) {
         renderer.paintFull(gc, this, active);
+        return snapshotVersion;
     }
 
     /** Repaint what changed; see {@link TerminalRenderer#paintIncremental}. */
-    public void paintIncremental(GraphicsContext gc, boolean active) {
+    public long paintIncremental(GraphicsContext gc, boolean active) {
         renderer.paintIncremental(gc, this, active);
+        return snapshotVersion;
     }
 
     @Override