diff --git a/include/Makefile.am b/include/Makefile.am
index d7abe699..4846efb0 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -21,7 +21,7 @@
 # Written by Marcel Telka <marcel@telka.sk>, 2002.
 #
 
-SUBDIRS = \
+DIST_SUBDIRS = \
 	arm
 
 noinst_HEADERS = \
diff --git a/include/arm/Makefile.am b/include/arm/Makefile.am
index d79f4260..ecd7cdef 100644
--- a/include/arm/Makefile.am
+++ b/include/arm/Makefile.am
@@ -21,7 +21,7 @@
 # Written by Marcel Telka <marcel@telka.sk>, 2002.
 #
 
-SUBDIRS = \
+DIST_SUBDIRS = \
 	platform \
 	sa11x0 \
 	pxa2x0