1 files changed, 2 insertions, 2 deletions
diff --git a/src/htstools.c b/src/htstools.c
index 7c543f6..65f868a 100644
--- a/src/htstools.c
+++ b/src/htstools.c
@@ -97,9 +97,9 @@ static int ehex(char *s) {
 }
 
 static void unescapehttp(char *s, String * tempo) {
-  int i;
+  size_t i;
 
-  for(i = 0; i < (int) strlen(s); i++) {
+  for(i = 0; i < s[i] != '\0'; i++) {
     if (s[i] == '%' && s[i + 1] == '%') {
       i++;
       StringAddchar(*tempo, '%');