diff --git a/Makefile b/Makefile
index 05cff04eaf1616b2033e6bd4595ed2105da42ef5..4358782e481c16f57e2af2e891392bb347256c23 100644
--- a/Makefile
+++ b/Makefile
@@ -29,4 +29,4 @@ lj_gpu: lj_ns.cu
 
 clean:
 	@echo "Cleaning..."
-	rm -rf build lj_cpu lj_gpu lj_ns.cpp lj_ns.cu dist pairs.egg-info functions functions.pdf pairs.o regular_6d_stencil.o
+	rm -rf build lj_cpu lj_gpu lj_ns.cpp lj_ns.cu dist pairs.egg-info functions functions.pdf pairs.o regular_6d_stencil.o cuda_runtime.o