diff --git a/Makefile b/Makefile
index f136f42d46a2dc6b1277d3a7b2deba97057db1dd..9241da6b81c640bf428feee79b3de8ea0d59ba2f 100644
--- a/Makefile
+++ b/Makefile
@@ -9,5 +9,5 @@ swiftmpiproxies: swiftmpiproxies.c mpiuse.c mpiuse.h atomic.h cycle.h clocks.h c
 	$(CC) $(CFLAGS) -o swiftmpiproxies swiftmpiproxies.c mpiuse.c clocks.c -I/usr/include/mpi -lmpi -lpthread
 
 clean:
-	rm swiftmpistepsim
-	rm swiftmpiproxies
+	rm -f swiftmpistepsim
+	rm -f swiftmpiproxies