diff --git a/servo/etc/ci/check_dynamic_symbols.py b/servo/etc/ci/check_dynamic_symbols.py
index 4f83a8b98aa2..50b5052a5421 100644
--- a/servo/etc/ci/check_dynamic_symbols.py
+++ b/servo/etc/ci/check_dynamic_symbols.py
@@ -7,6 +7,8 @@
 # option. This file may not be copied, modified, or distributed
 # except according to those terms.
 
+from __future__ import absolute_import, print_function
+
 import sys
 import re
 import subprocess
@@ -29,6 +31,6 @@ for line in objdump_output:
 difference = actual_symbols - allowed_symbols
 
 if len(difference) > 0:
-    human_readable_difference = ", ".join(str(s) for s in difference)
-    print("Unexpected dynamic symbols in binary: {0}".format(human_readable_difference))
+    human_readable_difference = "\n".join(str(s) for s in difference)
+    print("Unexpected dynamic symbols in binary:\n{0}".format(human_readable_difference))
     sys.exit(-1)