diff --git a/microbench/Makefile.am b/microbench/Makefile.am
index 4ed70f6e..e00097db 100644
--- a/microbench/Makefile.am
+++ b/microbench/Makefile.am
@@ -31,7 +31,8 @@
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/libFLAC/include
 
+noinst_HEADERS = util.h
+
 noinst_PROGRAMS = benchmark_residual
 
-
 benchmark_residual_SOURCES = benchmark_residual.c util.c