diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa72d24e..a4df3105 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,12 +39,12 @@ if(CUDA_FOUND)
   # add debugging to CUDA NVCC flags.  For NVidia's NSight tools.
   set(CUDA_NVCC_FLAGS_DEBUG ${CUDA_NVCC_FLAGS_DEBUG} "-G")
 
-  add_subdirectory (HW1)
-  add_subdirectory (HW2)
-  add_subdirectory (HW3)
-  add_subdirectory (HW4)
-  add_subdirectory (HW5)
-  add_subdirectory (HW6)
+  add_subdirectory ("Problem Sets/Problem Set 1")
+  add_subdirectory ("Problem Sets/Problem Set 2")
+  add_subdirectory ("Problem Sets/Problem Set 3")
+  add_subdirectory ("Problem Sets/Problem Set 4")
+  add_subdirectory ("Problem Sets/Problem Set 5")
+  add_subdirectory ("Problem Sets/Problem Set 6")
 else(CUDA_FOUND)
   message("CUDA is not installed on this system.")
 endif()