diff --git a/.idea/cmake.xml b/.idea/cmake.xml
index 9f39a7b..2d7b8b6 100644
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@@ -3,12 +3,13 @@
   <component name="CMakeSharedSettings">
     <configurations>
       <configuration PROFILE_NAME="Debug" ENABLED="true" GENERATION_DIR="build/debug" CONFIG_NAME="Debug" />
+      <configuration PROFILE_NAME="Sanitize" ENABLED="true" GENERATION_DIR="build/sanitize" CONFIG_NAME="Sanitize" />
+      <configuration PROFILE_NAME="FastBuild" ENABLED="true" GENERATION_DIR="build/fastbuild" CONFIG_NAME="FastBuild" />
       <configuration PROFILE_NAME="Release" ENABLED="true" GENERATION_DIR="build/release" CONFIG_NAME="Release" />
       <configuration PROFILE_NAME="RelWithDebInfo" ENABLED="true" GENERATION_DIR="build/relwithdebinfo" CONFIG_NAME="RelWithDebInfo" />
       <configuration PROFILE_NAME="MinSizeRel" ENABLED="true" GENERATION_DIR="build/minsizerel" CONFIG_NAME="MinSizeRel" />
       <configuration PROFILE_NAME="Fast" ENABLED="true" GENERATION_DIR="build/fast" CONFIG_NAME="Fast" />
       <configuration PROFILE_NAME="FastParallel" ENABLED="true" GENERATION_DIR="build/fastparallel" CONFIG_NAME="FastParallel" />
-      <configuration PROFILE_NAME="Sanitize" ENABLED="true" GENERATION_DIR="build/sanitize" CONFIG_NAME="Sanitize" />
     </configurations>
   </component>
 </project>
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b26e14f..2782a94 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,13 +10,14 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_CXX_FLAGS "-Wall -Wextra -pedantic -march=native ${ALFI_EXTRA_CXX_FLAGS}")
-set(CMAKE_CXX_FLAGS_DEBUG "-g3 ${ALFI_EXTRA_CXX_FLAGS_DEBUG}")
+set(CMAKE_CXX_FLAGS_DEBUG "-g3 -Og ${ALFI_EXTRA_CXX_FLAGS_DEBUG}")
+set(CMAKE_CXX_FLAGS_SANITIZE "-g3 -Og -fsanitize=address,leak,undefined ${ALFI_EXTRA_CXX_FLAGS_SANITIZE}")
+set(CMAKE_CXX_FLAGS_FASTBUILD "-g0 -O0 -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_FASTBUILD}")
 set(CMAKE_CXX_FLAGS_RELEASE "-g0 -s -O3 -flto=auto -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_RELEASE}")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g3 -O2 -flto=auto -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_RELWITHDEBINFO}")
 set(CMAKE_CXX_FLAGS_MINSIZEREL "-g0 -s -Oz -flto=auto -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_MINSIZEREL}")
 set(CMAKE_CXX_FLAGS_FAST "-g0 -s -Ofast -fno-finite-math-only -flto=auto -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_FAST}")
 set(CMAKE_CXX_FLAGS_FASTPARALLEL "-g0 -s -Ofast -fno-finite-math-only -flto=auto -fopenmp -DNDEBUG ${ALFI_EXTRA_CXX_FLAGS_FASTPARALLEL}")
-set(CMAKE_CXX_FLAGS_SANITIZE "-g3 -fsanitize=address,leak,undefined ${ALFI_EXTRA_CXX_FLAGS_SANITIZE}")
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)