diff --git a/common/src/main/java/ctbrec/recorder/postprocessing/CreateContactSheet.java b/common/src/main/java/ctbrec/recorder/postprocessing/CreateContactSheet.java
index aaf7a2a5..4ec4fc67 100644
--- a/common/src/main/java/ctbrec/recorder/postprocessing/CreateContactSheet.java
+++ b/common/src/main/java/ctbrec/recorder/postprocessing/CreateContactSheet.java
@@ -45,7 +45,7 @@ public class CreateContactSheet extends AbstractPlaceholderAwarePostProcessor {
         int cols = Integer.parseInt(getConfig().getOrDefault(COLS, "8"));
         int rows = Integer.parseInt(getConfig().getOrDefault(ROWS, "7"));
         String color = getConfig().getOrDefault(BACKGROUND, "0x333333");
-        String filename = getConfig().getOrDefault(FILENAME, "contactsheet.jpg");
+        String filename = getConfig().getOrDefault(FILENAME, "$sanitize(${modelName})_$sanitize(${siteName})_$format(${localDateTime},yyyyMMdd-HHmmss).jpg");
         int thumbWidth = (int) ((totalWidth - (cols + 1) * padding) / (double)cols);
 
         Path tempDir = createThumbnails(rec, config);