diff --git a/docs/tools/Makefile.am b/docs/tools/Makefile.am
index 3953d361df..6a6d70f496 100644
--- a/docs/tools/Makefile.am
+++ b/docs/tools/Makefile.am
@@ -1,5 +1,3 @@
-AUTOMAKE_OPTIONS = subdir-objects
-
 include $(top_srcdir)/Makefile.decl
 
 AM_CPPFLAGS = \
@@ -17,6 +15,7 @@ DEPS = \
 LDADDS = \
 	$(top_builddir)/gtk/libgtk-3.la	\
 	$(top_builddir)/gdk/libgdk-3.la	\
+	$(top_builddir)/tests/gtkgears.o \
 	$(GTK_DEP_LIBS)			\
 	$(GDK_DEP_LIBS)			\
 	-lm
@@ -28,14 +27,12 @@ endif
 
 doc_shooter_DEPENDENCIES = $(DEPS)
 doc_shooter_LDADD = $(LDADDS)
-doc_shooter_SOURCES=	\
+doc_shooter_SOURCES =	\
 	shadow.c	\
 	shadow.h	\
 	shooter.c	\
 	widgets.c	\
-	widgets.h	\
-	../../tests/gtkgears.c \
-	../../tests/gtkgears.h
+	widgets.h
 
 clean-local:
 	for file in *.png; do \