diff --git a/lib/sysfs.c b/lib/sysfs.c
index 4e0edab..24dd563 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -18,7 +18,7 @@
 #include "cpufreq.h"
 
 #define PATH_TO_CPU "/sys/devices/system/cpu/"
-#define MAX_LINE_LEN 255
+#define MAX_LINE_LEN 4096
 #define SYSFS_PATH_MAX 255
 
 /* helper function to read file from /sys into given buffer */