diff --git a/CMakeLists.txt b/CMakeLists.txt
index 059c983..76d9570 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,8 @@ project(prime-headers)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
-set(CMAKE_BUILD_TYPE RelWithDebInfo)
+set(CMAKE_BUILD_TYPE Debug)
+##set(CMAKE_BUILD_TYPE Release)
 
 # deliberately not including these subdirectories by glob regex as precaution