diff --git a/modules/web/http_server_simple/http_parser.cpp b/modules/web/http_server_simple/http_parser.cpp
index 4842258e3..5f24d7da9 100644
--- a/modules/web/http_server_simple/http_parser.cpp
+++ b/modules/web/http_server_simple/http_parser.cpp
@@ -69,7 +69,7 @@ String HTTPParser::chr_len_to_str(const char *at, size_t length) {
 
 	CharType *p = ret.ptrw();
 
-	for (int i = 0; i <= length; ++i) {
+	for (size_t i = 0; i <= length; ++i) {
 		p[i] = at[i];
 	}