diff --git a/perf/Makefile.am b/perf/Makefile.am
index 2fc2df09a..d490a7356 100644
--- a/perf/Makefile.am
+++ b/perf/Makefile.am
@@ -25,7 +25,8 @@ cairo_perf_SOURCES =		\
 	tessellate.c		\
 	pattern_create_radial.c \
 	text.c			\
-	zrusin.c
+	zrusin.c		\
+	zrusin-another.h
 
 if CAIRO_HAS_WIN32_SURFACE
 cairo_perf_SOURCES += cairo-perf-win32.c