--- a/xbattbar-check-apm.c
+++ b/xbattbar-check-apm.c
@@ -210,7 +210,7 @@
 #define        APM_STAT_LINE_ON        1
 
 typedef struct apm_info {
-   const char driver_version[10];
+   char driver_version[10];
    int        apm_version_major;
    int        apm_version_minor;
    int        apm_flags;