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-rw-r--r--altosuilib/AltosSiteMapImage.java3
1 files changed, 2 insertions, 1 deletions
diff --git a/altosuilib/AltosSiteMapImage.java b/altosuilib/AltosSiteMapImage.java
index ae32418f..f1cfa7c0 100644
--- a/altosuilib/AltosSiteMapImage.java
+++ b/altosuilib/AltosSiteMapImage.java
@@ -50,7 +50,8 @@ public class AltosSiteMapImage {
public void run() {
AltosSiteMap.debug_component(tile, file.toString());
Graphics2D g2d = (Graphics2D) tile.getGraphics();
- tile.paint_graphics(g2d, image, serial);
+ if (g2d != null)
+ tile.paint_graphics(g2d, image, serial);
load_thread = null;
}
});