diff --git a/Header.c b/Header.c
index 571621eab57385cf0e6fee3e5eb0ac430a6d0fbd..55586843ae7ff31957926f1823ec58bea6f40dc2 100644
--- a/Header.c
+++ b/Header.c
@@ -71,7 +71,7 @@ void Header_createMeter(Header* this, char* name, HeaderSide side) {
    char* paren = strchr(name, '(');
    int param = 0;
    if (paren) {
-      int ok = sscanf(paren, "(%d)", &param);
+      int ok = sscanf(paren, "(%10d)", &param);
       if (!ok) param = 0;
       *paren = '\0';
    }