diff --git a/hio/lib/Makefile.am b/hio/lib/Makefile.am
index a897673..c9b9e35 100644
--- a/hio/lib/Makefile.am
+++ b/hio/lib/Makefile.am
@@ -8,7 +8,10 @@ CPPFLAGS_ALL_COMMON = \
 CFLAGS_ALL_COMMON  =
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(libdir)
 
-EXTRA_DIST = hio-utl.h.m4 utl-str.c.m4 
+EXTRA_DIST = \
+	hio-utl.h.m4 \
+	utl-str.c.m4 \
+	utl-str.m4
 
 ##################################################
 # MAIN LIBRARY 
diff --git a/hio/lib/Makefile.in b/hio/lib/Makefile.in
index 8f6277d..3951fda 100644
--- a/hio/lib/Makefile.in
+++ b/hio/lib/Makefile.in
@@ -426,7 +426,11 @@ CPPFLAGS_ALL_COMMON = \
 
 CFLAGS_ALL_COMMON = 
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(libdir)
-EXTRA_DIST = hio-utl.h.m4 utl-str.c.m4 
+EXTRA_DIST = \
+	hio-utl.h.m4 \
+	utl-str.c.m4 \
+	utl-str.m4
+
 
 ##################################################
 # MAIN LIBRARY