diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4a4625d..e522010 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,6 @@ if (UNIT_TESTING)
     
     include_directories(
         ${CPPUTEST_INCLUDE_DIRS}
-        /usr/include/c++/11/
         ./inc
         ./mocks
         )
@@ -67,9 +66,11 @@ endif()
 # PROJECT SPECIFIC 
 # #######################################
 
-
+# I've added the AVR directories for FreeBSD on here.
 include_directories(
     ./inc
+    /usr/local/avr/include/avr
+    /usr/local/avr/include
 )
 
 add_subdirectory(src)