diff --git a/src/include/preamble.tex b/src/include/preamble.tex
index df1a2da..8c620d4 100644
--- a/src/include/preamble.tex
+++ b/src/include/preamble.tex
@@ -129,4 +129,6 @@
 	linewidth = 0.5pt,
 	skipabove=\topsep,
 	skipbelow=\topsep
-]{siderule}
\ No newline at end of file
+]{siderule}
+
+\def\UrlBreaks{\do\/\do-}