diff --git a/cmake b/cmake
index 81c22387b..00d6d609c 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 81c22387bfcc2251a49f8eb8d0e7ae181dca2b47
+Subproject commit 00d6d609ce62eabcdc402d21d1f8b47bb4dbff15
diff --git a/src/crypto/Connect.h b/src/crypto/Connect.h
index 3bf4881da..4083637c6 100644
--- a/src/crypto/Connect.h
+++ b/src/crypto/Connect.h
@@ -35,6 +35,10 @@ class Connect
     struct Result {
         std::string result, content;
         std::map<std::string,std::string> headers;
+        bool isOK() const
+        {
+            return result.find("200") != std::string::npos;
+        }
         bool isRedirect() const
         {
             return result.find("301") != std::string::npos ||
diff --git a/src/crypto/TSL.cpp b/src/crypto/TSL.cpp
index 484719ddf..c59e40a91 100644
--- a/src/crypto/TSL.cpp
+++ b/src/crypto/TSL.cpp
@@ -259,6 +259,8 @@ TSL::Result TSL::parse(const string &url, const vector<X509Cert> &certs,
                 Connect::Result r = Connect(url, "GET", timeout).exec({{"Accept-Encoding", "gzip"}}, vector<unsigned char>());
                 if(r.isRedirect())
                     r = Connect(r.headers["Location"], "GET", timeout).exec({{"Accept-Encoding", "gzip"}}, vector<unsigned char>());
+                if(!r.isOK() || r.content.empty())
+                    THROW("HTTP status code is not 200 or content is empty");
                 file << r.content;
                 file.close();