diff --git a/CREDITS b/CREDITS
new file mode 100644
index 0000000..875bdf0
--- /dev/null
+++ b/CREDITS
@@ -0,0 +1,5 @@
+The FSF.hu Foundation (http://fsf.hu/) supported and donated piler within the
+"Free Software Application 2011 project." (http://fsf.hu/2011/09/27/szabad-szoftver-palyazat-2011/)
+
+Nemeth Adam reviewed the web interface, and gave lots of useful hints and insights to
+improve the web ui of piler.
diff --git a/src/digest.c b/src/digest.c
index a284236..13046b2 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -20,7 +20,7 @@
 int search_header_end(char *p, int n){
    int hdr_len=0;
 
-   if(strlen(p) < 5) return hdr_len;
+   if(n < 5) return hdr_len;
 
    for(; *p; p++){
       if(hdr_len < n-2 && *p == '\n' && *(p+1) == '\r' && *(p+2) == '\n'){ hdr_len += 3; return MAX(hdr_len, n); }