diff --git a/src/ext_sysfs_cpu.c b/src/ext_sysfs_cpu.c
index 532d284a3..52e338cdb 100644
--- a/src/ext_sysfs_cpu.c
+++ b/src/ext_sysfs_cpu.c
@@ -63,7 +63,7 @@ char *hm_SYSFS_CPU_get_syspath_hwmon ()
 
     if (hc_fopen_raw (&fp, path, "rb") == false) continue;
 
-    char buf[32] = { 0 };
+    char buf[64] = { 0 };
 
     const size_t line_len = fgetl (&fp, buf, sizeof (buf));