diff --git a/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java b/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
index c871f197a1..ea4fb728e6 100644
--- a/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
+++ b/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
@@ -112,6 +112,8 @@ public final class OpenSsl {
         UNAVAILABILITY_CAUSE = cause;
 
         if (cause == null) {
+            logger.debug("netty-tcnative using native library: {}", SSL.versionString());
+
             final Set<String> availableOpenSslCipherSuites = new LinkedHashSet<String>(128);
             boolean supportsKeyManagerFactory = false;
             boolean useKeyManagerFactory = false;