diff --git a/lib/core/ogs-macros.h b/lib/core/ogs-macros.h
index 630c7fbc2..bf4ada160 100644
--- a/lib/core/ogs-macros.h
+++ b/lib/core/ogs-macros.h
@@ -206,7 +206,7 @@ static ogs_inline ogs_uint24_t ogs_htobe24(ogs_uint24_t x)
 #define OGS_MAX_FILEPATH_LEN            256
 #define OGS_MAX_IFNAME_LEN              32
 
-#define OGS_MAX_SDU_LEN                 32768 /* Should Heap */
+#define OGS_MAX_SDU_LEN                 32768L /* Should Heap */
 #define OGS_HUGE_LEN                    8192  /* Can Stack */
 #define OGS_MAX_PKT_LEN                 2048
 
diff --git a/lib/sbi/client.c b/lib/sbi/client.c
index c6dd59bd7..1b8bf9297 100644
--- a/lib/sbi/client.c
+++ b/lib/sbi/client.c
@@ -494,8 +494,8 @@ static connection_t *connection_add(
     /* HTTPS certificate-related settings */
     if (client->scheme == OpenAPI_uri_scheme_https) {
         if (client->insecure_skip_verify) {
-            curl_easy_setopt(conn->easy, CURLOPT_SSL_VERIFYPEER, 0);
-            curl_easy_setopt(conn->easy, CURLOPT_SSL_VERIFYHOST, 0);
+            curl_easy_setopt(conn->easy, CURLOPT_SSL_VERIFYPEER, 0L);
+            curl_easy_setopt(conn->easy, CURLOPT_SSL_VERIFYHOST, 0L);
         } else {
             if (client->cacert)
                 curl_easy_setopt(conn->easy, CURLOPT_CAINFO, client->cacert);