diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c3f8aa..30932b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,5 @@
 cmake_minimum_required(VERSION 3.12)
 
-add_compile_options(-Wall -pedantic -Wextra)
-
 project(httping LANGUAGES C VERSION "4.4.0")
 
 # Create compile_commands.json file
@@ -17,6 +15,9 @@ option(USE_FFTW3 "Enable FFTW3 backend (depedns on USE_TUI)" OFF)
 option(USE_SSL "Enable SSL support" OFF)
 option(USE_GETTEXT "Enable interantionalization" OFF)
 
+add_compile_options(-Wall -pedantic -Wextra)
+add_compile_options(-Werror=unused-label)
+
 set(SOURCES
   colors.c
   cookies.c
diff --git a/main.c b/main.c
index 9ad5dbb..9a6aca7 100644
--- a/main.c
+++ b/main.c
@@ -2464,7 +2464,9 @@ int main(int argc, char *argv[])
 	if (!quiet && !machine_readable && !nagios_mode && !json_output)
 		stats_line(1, complete_url, count, curncount, err, ok, started_at, verbose, &t_total, avg_httping_time, show_Bps ? &bps : NULL);
 
+#if HAVE_OPENSSL
 error_exit:
+#endif
 	if (nagios_mode)
 		return nagios_result(ok, nagios_mode, nagios_exit_code, avg_httping_time, nagios_warn, nagios_crit);