diff --git a/src/Makefile.am b/src/Makefile.am
index 287c902963dfa9b7be7ad6c5f2211971068e7545..876fe1017e9ff09b3335a82830bcd67717796265 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -68,7 +68,7 @@ HEADERS_include = \
 	../include/vlc_objects.h \
 	../include/vlc_os_specific.h \
 	../include/vlc_osd.h \
-    ../include/vlc_pgpkey.h \
+	../include/vlc_pgpkey.h \
 	../include/vlc_playlist.h \
 	../include/vlc_rand.h \
 	../include/vlc_services_discovery.h \