--- a/libresapi/src/api/ApiServerMHD.cpp	2021-05-04 08:25:21.960601037 -0700
+++ b/libresapi/src/api/ApiServerMHD.cpp	2021-05-04 08:26:27.071424663 -0700
@@ -113,7 +113,7 @@
     // return MHD_NO to terminate connection
     // return MHD_YES otherwise
     // this function will get called by MHD until a response was queued
-    virtual int handleRequest(  struct MHD_Connection *connection,
+    virtual enum MHD_Result handleRequest(  struct MHD_Connection *connection,
                                 const char *url, const char *method, const char *version,
                                 const char *upload_data, size_t *upload_data_size) = 0;
 };
@@ -125,7 +125,7 @@
     MHDUploadHandler(ApiServer* s): mState(BEGIN), mApiServer(s){}
     virtual ~MHDUploadHandler(){}
     // return MHD_NO or MHD_YES
-    virtual int handleRequest(  struct MHD_Connection *connection,
+    virtual enum MHD_Result handleRequest(  struct MHD_Connection *connection,
                                 const char */*url*/, const char *method, const char */*version*/,
                                 const char *upload_data, size_t *upload_data_size)
     {
@@ -184,7 +184,7 @@
     MHDApiHandler(ApiServer* s): mState(BEGIN), mApiServer(s){}
     virtual ~MHDApiHandler(){}
     // return MHD_NO or MHD_YES
-    virtual int handleRequest(  struct MHD_Connection *connection,
+    virtual enum MHD_Result handleRequest(  struct MHD_Connection *connection,
                                 const char *url, const char *method, const char */*version*/,
                                 const char *upload_data, size_t *upload_data_size)
     {
@@ -265,7 +265,7 @@
     uint64_t mSize;
 
     // return MHD_NO or MHD_YES
-    virtual int handleRequest(  struct MHD_Connection *connection,
+    virtual enum MHD_Result handleRequest(  struct MHD_Connection *connection,
                                 const char *url, const char */*method*/, const char */*version*/,
                                 const char */*upload_data*/, size_t */*upload_data_size*/)
     {
@@ -327,7 +327,7 @@
 #endif // ENABLE_FILESTREAMER
 
 // MHD will call this for each element of the http header
-static int _extract_host_header_it_cb(void *cls,
+static enum MHD_Result _extract_host_header_it_cb(void *cls,
                          enum MHD_ValueKind kind,
                          const char *key,
                          const char *value)
@@ -522,12 +522,12 @@
     mDaemon = 0;
 }
 
-int ApiServerMHD::static_acceptPolicyCallback(void *cls, const sockaddr *addr, socklen_t addrlen)
+enum MHD_Result ApiServerMHD::static_acceptPolicyCallback(void *cls, const sockaddr *addr, socklen_t addrlen)
 {
     return ((ApiServerMHD*)cls)->acceptPolicyCallback(addr, addrlen);
 }
 
-int ApiServerMHD::static_accessHandlerCallback(void* cls, struct MHD_Connection * connection,
+enum MHD_Result ApiServerMHD::static_accessHandlerCallback(void* cls, struct MHD_Connection * connection,
                                               const char *url, const char *method, const char *version,
                                               const char *upload_data, size_t *upload_data_size,
                                               void **con_cls)
@@ -543,13 +543,13 @@
 }
 
 
-int ApiServerMHD::acceptPolicyCallback(const sockaddr* /*addr*/, socklen_t /*addrlen*/)
+enum MHD_Result ApiServerMHD::acceptPolicyCallback(const sockaddr* /*addr*/, socklen_t /*addrlen*/)
 {
     // accept all connetions
     return MHD_YES;
 }
 
-int ApiServerMHD::accessHandlerCallback(MHD_Connection *connection,
+enum MHD_Result ApiServerMHD::accessHandlerCallback(MHD_Connection *connection,
                                        const char *url, const char *method, const char *version,
                                        const char *upload_data, size_t *upload_data_size,
                                        void **con_cls)
--- a/libresapi/src/api/ApiServerMHD.h	2021-05-04 08:25:24.368594515 -0700
+++ b/libresapi/src/api/ApiServerMHD.h	2021-05-04 08:25:25.942590251 -0700
@@ -58,11 +58,11 @@
 
 private:
     // static callbacks for libmicrohttpd, they call the members below
-    static int static_acceptPolicyCallback(void* cls, const struct sockaddr * addr, socklen_t addrlen);
-    static int static_accessHandlerCallback(void* cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls);
+    static enum MHD_Result static_acceptPolicyCallback(void* cls, const struct sockaddr * addr, socklen_t addrlen);
+    static enum MHD_Result static_accessHandlerCallback(void* cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls);
     static void static_requestCompletedCallback(void *cls, struct MHD_Connection* connection, void **con_cls, enum MHD_RequestTerminationCode toe);
-    int acceptPolicyCallback(const struct sockaddr * addr, socklen_t addrlen);
-    int accessHandlerCallback(struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls);
+    enum MHD_Result acceptPolicyCallback(const struct sockaddr * addr, socklen_t addrlen);
+    enum MHD_Result accessHandlerCallback(struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls);
     void requestCompletedCallback(struct MHD_Connection *connection, void **con_cls, MHD_RequestTerminationCode toe);
     bool mConfigOk;
     std::string mRootDir;