diff --git a/common/FileUtil.hpp b/common/FileUtil.hpp
index 144768061d67..2d3b34bf72c0 100644
--- a/common/FileUtil.hpp
+++ b/common/FileUtil.hpp
@@ -192,13 +192,13 @@ namespace FileUtil
             : _path(file)
             , _sb{}
             , _res(link ? lstat(file.c_str(), &_sb) : stat(file.c_str(), &_sb))
-            , _errno(errno)
+            , _stat_errno(errno)
         {
         }
 
         bool good() const { return _res == 0; }
         bool bad() const { return !good(); }
-        bool erno() const { return _errno; }
+        bool erno() const { return _stat_errno; }
         const struct ::stat& sb() const { return _sb; }
 
         const std::string path() const { return _path; }
@@ -251,7 +251,7 @@ namespace FileUtil
         }
 
         /// Returns true iff the path exists, regardless of access permission.
-        bool exists() const { return good() || (_errno != ENOENT && _errno != ENOTDIR); }
+        bool exists() const { return good() || (_stat_errno != ENOENT && _stat_errno != ENOTDIR); }
 
         /// Returns true if both files exist and have
         /// the same size and same contents.
@@ -291,7 +291,7 @@ namespace FileUtil
         const std::string _path;
         struct ::stat _sb;
         const int _res;
-        const int _errno;
+        const int _stat_errno;
     };
 
     std::vector<std::string> getDirEntries(const std::string dirPath);
diff --git a/net/NetUtil.cpp b/net/NetUtil.cpp
index 71c30317d03f..6f30e1728fec 100644
--- a/net/NetUtil.cpp
+++ b/net/NetUtil.cpp
@@ -64,7 +64,7 @@ std::string HostEntry::makeIPAddress(const sockaddr* ai_addr)
     const char* result = inet_ntop(ai_addr->sa_family, inAddr, addrstr, sizeof(addrstr));
     if (!result)
     {
-        _errno = errno;
+        _saved_errno = errno;
         LOG_WRN("inet_ntop failure: " << errorMessage());
         return std::string();
     }
@@ -76,7 +76,7 @@ void HostEntry::setEAI(int eaino)
     _eaino = eaino;
     // EAI_SYSTEM: Other system error; errno is set to indicate the error.
     if (_eaino == EAI_SYSTEM)
-        _errno = errno;
+        _saved_errno = errno;
 }
 
 std::string HostEntry::errorMessage() const
@@ -85,13 +85,13 @@ std::string HostEntry::errorMessage() const
     if (_eaino && _eaino != EAI_SYSTEM)
         errmsg = gai_strerror(_eaino);
     else
-        errmsg = strerror(_errno);
+        errmsg = strerror(_saved_errno);
     return std::string("[" + _requestName + "]: " + errmsg);
 }
 
 HostEntry::HostEntry(const std::string& desc, const char* port)
     : _requestName(desc)
-    , _errno(0)
+    , _saved_errno(0)
     , _eaino(0)
 {
     addrinfo hints;
diff --git a/net/NetUtil.hpp b/net/NetUtil.hpp
index 412a86671054..fad832750ace 100644
--- a/net/NetUtil.hpp
+++ b/net/NetUtil.hpp
@@ -46,7 +46,7 @@ class HostEntry
     std::string _canonicalName;
     std::vector<std::string> _ipAddresses;
     std::shared_ptr<addrinfo> _ainfo;
-    int _errno;
+    int _saved_errno;
     int _eaino;
 
     void setEAI(int eaino);
@@ -57,7 +57,7 @@ class HostEntry
     HostEntry(const std::string& desc, const char* port);
     ~HostEntry();
 
-    bool good() const { return _errno == 0 && _eaino == 0; }
+    bool good() const { return _saved_errno == 0 && _eaino == 0; }
     std::string errorMessage() const;
 
     const std::string& getCanonicalName() const { return  _canonicalName; }