diff --git a/src/client.c b/src/client.c
index 50368ce..6828400 100644
--- a/src/client.c
+++ b/src/client.c
@@ -79,9 +79,9 @@ int client_request_handler(sock *client, int req_num) {
         goto respond;
     }
 
-    hdr_connection = http_get_header_field(&req.hdr, "Connection", HTTP_NOT_STRICT);
+    hdr_connection = http_get_header_field(&req.hdr, "Connection", HTTP_LOWER);
     client_keep_alive = hdr_connection != NULL && strncmp(hdr_connection, "keep-alive", 10) == 0;
-    host = http_get_header_field(&req.hdr, "Host", HTTP_NOT_STRICT);
+    host = http_get_header_field(&req.hdr, "Host", HTTP_LOWER);
     if (host == NULL || strchr(host, '/') != NULL) {
         res.status = http_get_status(400);
         sprintf(err_msg, "The client provided no or an invalid Host header field.");
diff --git a/src/http.c b/src/http.c
index 35a3aa7..84c3c1b 100644
--- a/src/http.c
+++ b/src/http.c
@@ -16,7 +16,7 @@ void http_to_camel_case(char *str, int strict) {
         ch = str[i];
         if (last == '-' && ch >= 'a' && ch <= 'z') {
             str[i] = (char) ((int) ch & 0x5F);
-        } else if (last != '-' && ch >= 'A' && ch <= 'Z' && strict == HTTP_STRICT) {
+        } else if (last != '-' && ch >= 'A' && ch <= 'Z' && strict == HTTP_LOWER) {
             str[i] = (char) ((int) ch | 0x20);
         }
         last = str[i];
@@ -132,7 +132,7 @@ int http_receive_request(sock *client, http_req *req) {
                 len = pos1 - ptr;
                 req->hdr.fields[req->hdr.field_num][0] = malloc(len + 1);
                 sprintf(req->hdr.fields[req->hdr.field_num][0], "%.*s", (int) len, ptr);
-                http_to_camel_case(req->hdr.fields[req->hdr.field_num][0], HTTP_NOT_STRICT);
+                http_to_camel_case(req->hdr.fields[req->hdr.field_num][0], HTTP_LOWER);
 
                 pos1++;
                 pos2 = pos0 - 1;
diff --git a/src/http.h b/src/http.h
index da19bad..2dc5ccf 100644
--- a/src/http.h
+++ b/src/http.h
@@ -8,8 +8,8 @@
 #ifndef NECRONDA_SERVER_HTTP_H
 #define NECRONDA_SERVER_HTTP_H
 
-#define HTTP_STRICT 1
-#define HTTP_NOT_STRICT 0
+#define HTTP_LOWER 1
+#define HTTP_PRESERVE_UPPER 0
 
 typedef struct {
     unsigned short code;