diff --git a/tests/test.h b/tests/test.h
index 73c8264..9fa9ecb 100644
--- a/tests/test.h
+++ b/tests/test.h
@@ -258,7 +258,7 @@
       if (expected_file != kUnknown) {
         EXPECT_GE(child.filesize, expected_file);
         // Allow some overhead.
-        EXPECT_LE(child.filesize, (expected_file * 1.2) + 150);
+        EXPECT_LE(child.filesize, (expected_file * 1.2) + 180);
       }
 
       if (++i == children.size()) {