diff --git a/modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache b/modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache
index 59337953359..899cb22ef7a 100644
--- a/modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache
+++ b/modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache
@@ -447,8 +447,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 
diff --git a/samples/client/others/c/bearerAuth/src/apiClient.c b/samples/client/others/c/bearerAuth/src/apiClient.c
index fafdcd49df8..6614016d27a 100644
--- a/samples/client/others/c/bearerAuth/src/apiClient.c
+++ b/samples/client/others/c/bearerAuth/src/apiClient.c
@@ -363,8 +363,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 
diff --git a/samples/client/petstore/c-useJsonUnformatted/src/apiClient.c b/samples/client/petstore/c-useJsonUnformatted/src/apiClient.c
index 943e43915a9..302cb8bff34 100644
--- a/samples/client/petstore/c-useJsonUnformatted/src/apiClient.c
+++ b/samples/client/petstore/c-useJsonUnformatted/src/apiClient.c
@@ -390,8 +390,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 
diff --git a/samples/client/petstore/c/src/apiClient.c b/samples/client/petstore/c/src/apiClient.c
index 943e43915a9..302cb8bff34 100644
--- a/samples/client/petstore/c/src/apiClient.c
+++ b/samples/client/petstore/c/src/apiClient.c
@@ -390,8 +390,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }