diff --git a/CMakeLists.txt b/CMakeLists.txt
index f876b8e3..38aef723 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,6 +65,7 @@ option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
+option(LWS_WITHOUT_TEST_ECHO "Don't build the echo test application" OFF)
 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
@@ -936,7 +937,7 @@ if (NOT LWS_WITHOUT_TESTAPPS)
 		#
 		# test-echo
 		#
-		if (NOT WITHOUT_TEST_ECHO)
+		if (NOT LWS_WITHOUT_TEST_ECHO)
 			create_test_app(test-echo "test-server/test-echo.c" "" "" "" "")
 		endif()
 
@@ -1120,6 +1121,7 @@ message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
+message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")