diff --git a/CHANGES b/CHANGES
index 04a14e8..5cfff47 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,7 @@
 Monthday, Month DD, YYYY:
   Summary for 1.10.3 libpcap release (so far!)
+    Source code:
+      Sort the PUBHDR variable in Makefile.in in "ls" order.
     Building and testing:
       install: Fixed not to install the non-public pcap-util.h header.
 
diff --git a/Makefile.in b/Makefile.in
index 6662255..14a465e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -114,21 +114,21 @@
 	pcap.h \
 	pcap-bpf.h \
 	pcap-namedb.h \
-	pcap/bpf.h \
 	pcap/bluetooth.h \
+	pcap/bpf.h \
 	pcap/can_socketcan.h \
 	pcap/compiler-tests.h \
 	pcap/dlt.h \
 	pcap/funcattrs.h \
-	pcap/pcap-inttypes.h \
 	pcap/ipnet.h \
 	pcap/namedb.h \
 	pcap/nflog.h \
+	pcap/pcap-inttypes.h \
 	pcap/pcap.h \
 	pcap/sll.h \
 	pcap/socket.h \
-	pcap/vlan.h \
-	pcap/usb.h
+	pcap/usb.h \
+	pcap/vlan.h
 
 HDR = $(PUBHDR) \
 	arcnet.h \