diff --git a/.gitignore b/.gitignore
index 474022f..027c80a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ all_chars.txt
 **/fonts/**/*-Subset.*
 woff2/
 **/serve_*
+**/lexers.*
diff --git a/build.sh b/build.sh
index f1b9caf..f479058 100755
--- a/build.sh
+++ b/build.sh
@@ -18,6 +18,11 @@ function soup_config {
 
 source ./pgvv/bin/activate
 
+if ! [[ -f lexers.out ]] || [[ "$(head -1 lexers.out)" != "$(pygmentize -V)" ]]; then
+    pygmentize -L lexer >lexers.out
+    echo "Created pygments lexer cache at lexers.out"
+fi
+
 find acl.cool/site/ ytheleus.org/site/ -type f \( -name '*.dj' -o -name '*.html' \) -exec cat {} + >all_chars.txt
 cat common_chars.txt >>all_chars.txt
 
diff --git a/syntax_wrapper.sh b/syntax_wrapper.sh
index a74245c..b4ba4d1 100755
--- a/syntax_wrapper.sh
+++ b/syntax_wrapper.sh
@@ -1,7 +1,7 @@
 #! /usr/bin/env sh
 
-if [ $# -lt 1 ] || ! pygmentize -L lexers | grep -qw "$1"; then
+if [ $# -lt 1 ] || ! grep -qw "$1" lexers.out; then
     recode utf8..html
 else
-    pygmentize -l $1 -f html | head -c -13 | awk -F '<pre>' '{print $NF}'
+    pygmentize -l $1 -f html | awk -F '<pre>' '{print substr($NF, 14)}'
 fi
\ No newline at end of file