diff --git a/libstdc++-v3/doc/Makefile.am b/libstdc++-v3/doc/Makefile.am
index 2e0eb187f91..cb9b68ffaea 100644
--- a/libstdc++-v3/doc/Makefile.am
+++ b/libstdc++-v3/doc/Makefile.am
@@ -267,6 +267,7 @@ stamp-pdf-doxygen: stamp-latex-doxygen ${doxygen_outdir}/pdf
 	else \
 	  echo "... error"; \
 	  grep -F 'LaTeX Error' ${doxygen_outdir}/latex/refman.log; \
+	  grep -F 'TeX capacity exceeded, sorry' ${doxygen_outdir}/latex/refman.log; \
 	  exit 12; \
 	fi
 	$(STAMP) stamp-pdf-doxygen
diff --git a/libstdc++-v3/doc/Makefile.in b/libstdc++-v3/doc/Makefile.in
index 7681908103a..956b641c1aa 100644
--- a/libstdc++-v3/doc/Makefile.in
+++ b/libstdc++-v3/doc/Makefile.in
@@ -958,6 +958,7 @@ stamp-pdf-doxygen: stamp-latex-doxygen ${doxygen_outdir}/pdf
 	else \
 	  echo "... error"; \
 	  grep -F 'LaTeX Error' ${doxygen_outdir}/latex/refman.log; \
+	  grep -F 'TeX capacity exceeded, sorry' ${doxygen_outdir}/latex/refman.log; \
 	  exit 12; \
 	fi
 	$(STAMP) stamp-pdf-doxygen