diff --git a/docs/libcurl/opts/CURLINFO_CONDITION_UNMET.md b/docs/libcurl/opts/CURLINFO_CONDITION_UNMET.md
index 5f13126ad7..bbbe42c481 100644
--- a/docs/libcurl/opts/CURLINFO_CONDITION_UNMET.md
+++ b/docs/libcurl/opts/CURLINFO_CONDITION_UNMET.md
@@ -54,7 +54,8 @@ int main(void)
     curl_easy_setopt(curl, CURLOPT_TIMEVALUE, 1577833200L);
 
     /* If-Modified-Since the above time stamp */
-    curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
+    curl_easy_setopt(curl, CURLOPT_TIMECONDITION,
+                     (long)CURL_TIMECOND_IFMODSINCE);
 
     /* Perform the request */
     res = curl_easy_perform(curl);
diff --git a/docs/libcurl/opts/CURLOPT_HSTS_CTRL.md b/docs/libcurl/opts/CURLOPT_HSTS_CTRL.md
index 0dce5fb93f..3ed7f3c597 100644
--- a/docs/libcurl/opts/CURLOPT_HSTS_CTRL.md
+++ b/docs/libcurl/opts/CURLOPT_HSTS_CTRL.md
@@ -64,7 +64,7 @@ int main(void)
 {
   CURL *curl = curl_easy_init();
   if(curl) {
-    curl_easy_setopt(curl, CURLOPT_HSTS_CTRL, CURLHSTS_ENABLE);
+    curl_easy_setopt(curl, CURLOPT_HSTS_CTRL, (long)CURLHSTS_ENABLE);
     curl_easy_perform(curl);
   }
 }
diff --git a/docs/libcurl/opts/CURLOPT_HTTPAUTH.md b/docs/libcurl/opts/CURLOPT_HTTPAUTH.md
index b7b06b636b..1146cab17e 100644
--- a/docs/libcurl/opts/CURLOPT_HTTPAUTH.md
+++ b/docs/libcurl/opts/CURLOPT_HTTPAUTH.md
@@ -137,7 +137,7 @@ int main(void)
     CURLcode ret;
     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
     /* allow whatever auth the server speaks */
-    curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+    curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
     curl_easy_setopt(curl, CURLOPT_USERPWD, "james:bond");
     ret = curl_easy_perform(curl);
   }
diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.md b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.md
index 53844f7cf3..618a7123e9 100644
--- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.md
+++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.md
@@ -105,7 +105,7 @@ int main(void)
   if(curl) {
     CURLcode ret;
     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
-    curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
+    curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, (long)CURL_HTTP_VERSION_2TLS);
     ret = curl_easy_perform(curl);
     if(ret == CURLE_HTTP_RETURNED_ERROR) {
       /* an HTTP response error problem */
diff --git a/docs/libcurl/opts/CURLOPT_SOCKS5_AUTH.md b/docs/libcurl/opts/CURLOPT_SOCKS5_AUTH.md
index 22e9536b2d..69932c7b02 100644
--- a/docs/libcurl/opts/CURLOPT_SOCKS5_AUTH.md
+++ b/docs/libcurl/opts/CURLOPT_SOCKS5_AUTH.md
@@ -52,7 +52,7 @@ int main(void)
     curl_easy_setopt(curl, CURLOPT_PROXY, "socks5://user:pass@myproxy.com");
 
     /* enable username/password authentication only */
-    curl_easy_setopt(curl, CURLOPT_SOCKS5_AUTH, CURLAUTH_BASIC);
+    curl_easy_setopt(curl, CURLOPT_SOCKS5_AUTH, (long)CURLAUTH_BASIC);
 
     /* Perform the request */
     curl_easy_perform(curl);
diff --git a/docs/libcurl/opts/CURLOPT_TIMECONDITION.md b/docs/libcurl/opts/CURLOPT_TIMECONDITION.md
index e96d98d21b..44a5d68d40 100644
--- a/docs/libcurl/opts/CURLOPT_TIMECONDITION.md
+++ b/docs/libcurl/opts/CURLOPT_TIMECONDITION.md
@@ -55,7 +55,8 @@ int main(void)
     curl_easy_setopt(curl, CURLOPT_TIMEVALUE, 1577833200L);
 
     /* If-Modified-Since the above time stamp */
-    curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
+    curl_easy_setopt(curl, CURLOPT_TIMECONDITION,
+                     (long)CURL_TIMECOND_IFMODSINCE);
 
     /* Perform the request */
     curl_easy_perform(curl);
diff --git a/docs/libcurl/opts/CURLOPT_USE_SSL.md b/docs/libcurl/opts/CURLOPT_USE_SSL.md
index 3767c12fec..adc32bb853 100644
--- a/docs/libcurl/opts/CURLOPT_USE_SSL.md
+++ b/docs/libcurl/opts/CURLOPT_USE_SSL.md
@@ -71,7 +71,7 @@ int main(void)
     curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/file.ext");
 
     /* require use of SSL for this, or fail */
-    curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
+    curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
 
     /* Perform the request */
     curl_easy_perform(curl);