diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ec4f47c..21d984ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED TRUE CACHE BOOL "request not to use lower versio
 # set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-omit-frame-pointer -fsanitize=address" CACHE STRING "my configurable string" FORCE)
 # set(CMAKE_EXE_LINKER_FLAGS_DEBUG  "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -fno-omit-frame-pointer  -fsanitize=address" CACHE STRING "my configurable string" FORCE)
 
-set(ENABLE_ASAN OFF CACHE BOOL "enable address sanitizer" FORCE)
+set(ENABLE_ASAN ON CACHE BOOL "enable address sanitizer" FORCE)
 
 option(INCLUDE_TCP_LISTENER "link TcpListener staticly to the core"  TRUE)
 option(INCLUDE_LOGGER_TUNNEL "link LoggerTunnel staticly to the core"  TRUE)
diff --git a/tunnels/client/openssl/openssl_client.c b/tunnels/client/openssl/openssl_client.c
index ec7582b4..453ba7ce 100644
--- a/tunnels/client/openssl/openssl_client.c
+++ b/tunnels/client/openssl/openssl_client.c
@@ -177,7 +177,7 @@ static inline void upStream(tunnel_t *self, context_t *c)
             self->up->upStream(self->up, c);
             if (!ISALIVE(clienthello_ctx))
             {
-                destroyContext(c);
+                destroyContext(clienthello_ctx);
                 return;
             }