diff --git a/Makefile b/Makefile
index 1b5369c..1e4cab2 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ example_simple: example_simple.o $(objects)
 
 clean:
 	$(MAKE) --directory=firebuf clean
-	rm --force example_simple connection_afl *.o
+	rm --force example_simple connection_afl *.o *.a
 
 afl:
 	$(MAKE) clean
diff --git a/firebuf b/firebuf
index dd9a0a9..acc7505 160000
--- a/firebuf
+++ b/firebuf
@@ -1 +1 @@
-Subproject commit dd9a0a974fdbff71185094ef93890dde5427adcc
+Subproject commit acc75058c62fb71631c24bd6034e4d21ec472144