diff --git a/docs/examples/rtsp.c b/docs/examples/rtsp.c
index 42b26cc71..1cc19677a 100644
--- a/docs/examples/rtsp.c
+++ b/docs/examples/rtsp.c
@@ -73,7 +73,7 @@ static void rtsp_options(CURL *curl, const char *uri)
   CURLcode res = CURLE_OK;
   printf("\nRTSP: OPTIONS %s\n", uri);
   my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri);
-  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_OPTIONS);
+  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_OPTIONS);
   my_curl_easy_perform(curl);
 }
 
@@ -93,7 +93,7 @@ static void rtsp_describe(CURL *curl, const char *uri,
     printf("Writing SDP to '%s'\n", sdp_filename);
   }
   my_curl_easy_setopt(curl, CURLOPT_WRITEDATA, sdp_fp);
-  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
+  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_DESCRIBE);
   my_curl_easy_perform(curl);
   my_curl_easy_setopt(curl, CURLOPT_WRITEDATA, stdout);
   if (sdp_fp != stdout) {
@@ -109,7 +109,7 @@ static void rtsp_setup(CURL *curl, const char *uri, const char *transport)
   printf("      TRANSPORT %s\n", transport);
   my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri);
   my_curl_easy_setopt(curl, CURLOPT_RTSP_TRANSPORT, transport);
-  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_SETUP);
+  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP);
   my_curl_easy_perform(curl);
 }
 
@@ -121,7 +121,7 @@ static void rtsp_play(CURL *curl, const char *uri, const char *range)
   printf("\nRTSP: PLAY %s\n", uri);
   my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri);
   my_curl_easy_setopt(curl, CURLOPT_RANGE, range);
-  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
+  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_PLAY);
   my_curl_easy_perform(curl);
 }
 
@@ -131,7 +131,7 @@ static void rtsp_teardown(CURL *curl, const char *uri)
 {
   CURLcode res = CURLE_OK;
   printf("\nRTSP: TEARDOWN %s\n", uri);
-  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_TEARDOWN);
+  my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_TEARDOWN);
   my_curl_easy_perform(curl);
 }
 
diff --git a/docs/examples/smtp-multi.c b/docs/examples/smtp-multi.c
index 15b177e5e..828132073 100644
--- a/docs/examples/smtp-multi.c
+++ b/docs/examples/smtp-multi.c
@@ -123,13 +123,13 @@ int main(void)
    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, MAILFROM);
    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt_list);
-   curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
-   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER,0);
-   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
+   curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
+   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
    curl_easy_setopt(curl, CURLOPT_READDATA, &pooh);
-   curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
-   curl_easy_setopt(curl, CURLOPT_SSLVERSION, 0);
-   curl_easy_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0);
+   curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+   curl_easy_setopt(curl, CURLOPT_SSLVERSION, 0L);
+   curl_easy_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
    curl_multi_add_handle(mcurl, curl);
 
    mp_timedout = 0;
diff --git a/docs/examples/smtp-tls.c b/docs/examples/smtp-tls.c
index 2e71f973e..8e2603fa4 100644
--- a/docs/examples/smtp-tls.c
+++ b/docs/examples/smtp-tls.c
@@ -94,13 +94,13 @@ int main(void)
      * of using CURLUSESSL_TRY here, because if TLS upgrade fails, the transfer
      * will continue anyway - see the security discussion in the libcurl
      * tutorial for more details. */
-    curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
+    curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
 
     /* If your server doesn't have a valid certificate, then you can disable
      * part of the Transport Layer Security protection by setting the
      * CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST options to 0 (false).
-     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
-     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
+     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
      * That is, in general, a bad idea. It is still better than sending your
      * authentication details in plain text though.
      * Instead, you should get the issuer certificate (or the host certificate
@@ -135,7 +135,7 @@ int main(void)
     /* Since the traffic will be encrypted, it is very useful to turn on debug
      * information within libcurl to see what is happening during the transfer.
      */
-    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 
     /* send the message (including headers) */
     res = curl_easy_perform(curl);