diff --git a/src/lib/report-lib.c b/src/lib/report-lib.c
index 47631db..56870a7 100644
--- a/src/lib/report-lib.c
+++ b/src/lib/report-lib.c
@@ -55,7 +55,7 @@ void gpm_report(int line, char *file, int stat, char *text, ... )
                            log_level = LOG_CRIT; break;
    }
 #ifdef HAVE_VSYSLOG
-   syslog(log_level, string);
+   syslog(log_level, "%s", string);
    vsyslog(log_level, text, ap);
 #else
    fprintf(stderr,"%s[%s(%d)]:\n",string,file,line);