diff --git a/Makefile b/Makefile
index 059f294156c08c21ef791e5fe7e609f65d26a9a7..9243cc03bb476215939655b92cca1edebe1d8365 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,2 @@
 radix_sort:
-	nvcc radix_sort_parallel.cu -o radix_sort
+	nvcc src/radix_sort_parallel.cu -o radix_sort
diff --git a/src/radix_sort_parallel.c b/src/radix_sort_parallel.cu
similarity index 100%
rename from src/radix_sort_parallel.c
rename to src/radix_sort_parallel.cu