diff --git a/ext/phar/phar.c b/ext/phar/phar.c
index 39ef82e90144..50c7b778cc40 100644
--- a/ext/phar/phar.c
+++ b/ext/phar/phar.c
@@ -1596,7 +1596,7 @@ zend_result phar_open_from_filename(char *fname, size_t fname_len, char *alias,
 }
 /* }}}*/
 
-static inline char *phar_strnstr(const char *buf, int buf_len, const char *search, int search_len) /* {{{ */
+static inline char *phar_strnstr(const char *buf, size_t buf_len, const char *search, size_t search_len) /* {{{ */
 {
 	const char *c;
 	ptrdiff_t so_far = 0;
diff --git a/ext/phar/stream.c b/ext/phar/stream.c
index 2317c07d6411..285b73cf88fd 100644
--- a/ext/phar/stream.c
+++ b/ext/phar/stream.c
@@ -665,7 +665,7 @@ static int phar_wrapper_unlink(php_stream_wrapper *wrapper, const char *url, int
 {
 	php_url *resource;
 	char *internal_file, *error;
-	int internal_file_len;
+	size_t internal_file_len;
 	phar_entry_data *idata;
 	phar_archive_data *pphar;