diff --git a/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in b/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
index 482e4333f79676..28047a8f9296f9 100644
--- a/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
+++ b/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
@@ -10,6 +10,12 @@
@SOURCE_FILES@
+
+ {1DBB979A-C212-45CD-9563-446A96F87F72}
+
+
+ {1DBB979A-C212-45CD-9563-446A96F87F71}
+