diff --git a/enforcement-case-studies.tex b/enforcement-case-studies.tex
index b73ba48..e850f21 100644
--- a/enforcement-case-studies.tex
+++ b/enforcement-case-studies.tex
@@ -520,6 +520,7 @@ annoyances, however, while building U-Boot:
    compliance issue (per the reasonableness standard), but explicitly stating
    that at the top of the instructions would be helpful.
 
+\label{thinkpenguin-glibc-214-issue}
 \item Toolchain binaries were included and used by default by the build
   process.  These binaries were not the appropriate ones for the
   investigator's host system, and the build failed with the following error: