diff --git a/docs/requirements.txt b/docs/requirements.txt
index bbd41a7151..ad19f37ddc 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 Sphinx==1.8.5
-Pygments==2.2.0
+Pygments==2.7.4
 sphinx-autobuild
 sphinx_rtd_theme==0.2.5b1
 docutils==0.16
diff --git a/tests/charcount.c b/tests/charcount.c
index f8b3641b27..6a3d2744d2 100644
--- a/tests/charcount.c
+++ b/tests/charcount.c
@@ -1,6 +1,6 @@
 #include "rocc.h"
 
-char string[64] = "The quick brown fox jumped over the lazy dog";
+char string[64] __attribute__ ((aligned (64))) = "The quick brown fox jumped over the lazy dog";
 
 static inline unsigned long count_chars(char *start, char needle)
 {