diff --git a/src/lib/net/SecureSocket.cpp b/src/lib/net/SecureSocket.cpp
index 3d5e2be0..7186f249 100644
--- a/src/lib/net/SecureSocket.cpp
+++ b/src/lib/net/SecureSocket.cpp
@@ -675,7 +675,7 @@ SecureSocket::verifyCertFingerprint()
 
     // format fingerprint into hexdecimal format with colon separator
     std::string fingerprint(reinterpret_cast<char*>(tempFingerprint), tempFingerprintLen);
-    fingerprint = format_ssl_fingerprint(fingerprint);
+    fingerprint = barrier::format_ssl_fingerprint(fingerprint);
     LOG((CLOG_NOTE "server fingerprint: %s", fingerprint.c_str()));
 
     std::string trustedServersFilename;
diff --git a/src/lib/net/SecureUtils.cpp b/src/lib/net/SecureUtils.cpp
index 7c4a52da..d45d694f 100644
--- a/src/lib/net/SecureUtils.cpp
+++ b/src/lib/net/SecureUtils.cpp
@@ -18,6 +18,8 @@
 #include "SecureUtils.h"
 #include "base/String.h"
 
+namespace barrier {
+
 std::string format_ssl_fingerprint(const std::string& fingerprint, bool hex, bool separator)
 {
     std::string result = fingerprint;
@@ -38,3 +40,5 @@ std::string format_ssl_fingerprint(const std::string& fingerprint, bool hex, boo
     }
     return result;
 }
+
+} // namespace barrier
diff --git a/src/lib/net/SecureUtils.h b/src/lib/net/SecureUtils.h
index 7c94fe92..7dd680ed 100644
--- a/src/lib/net/SecureUtils.h
+++ b/src/lib/net/SecureUtils.h
@@ -20,7 +20,11 @@
 
 #include <string>
 
+namespace barrier {
+
 std::string format_ssl_fingerprint(const std::string& fingerprint,
                                    bool hex = true, bool separator = true);
 
+} // namespace barrier
+
 #endif // BARRIER_LIB_NET_SECUREUTILS_H