diff --git a/CMakeLists.txt b/CMakeLists.txt
index c4f45da..54955d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 2.6)
 project(gr-op25 CXX C)
 
+set(CMAKE_BUILD_TYPE Debug)
+
 add_subdirectory(op25/gr-op25)
 add_subdirectory(op25/gr-op25_repeater)