diff --git a/libs/win32/sofia/libsofia_sip_ua_static.vcproj b/libs/win32/sofia/libsofia_sip_ua_static.vcproj
index a0f2b86106..a129d732f6 100644
--- a/libs/win32/sofia/libsofia_sip_ua_static.vcproj
+++ b/libs/win32/sofia/libsofia_sip_ua_static.vcproj
@@ -192,6 +192,10 @@
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\inet_pton.c"
 					>
 				</File>
+				<File
+					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\string0.c"
+					>
+				</File>
 				<File
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\su.c"
 					>
@@ -324,10 +328,6 @@
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\rc4.c"
 					>
 				</File>
-				<File
-					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\string0.c"
-					>
-				</File>
 				<File
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\token64.c"
 					>
@@ -958,6 +958,10 @@
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\sofia-sip\rbtree.h"
 					>
 				</File>
+				<File
+					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\sofia-sip\string0.h"
+					>
+				</File>
 				<File
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\su\sofia-sip\su.h"
 					>
@@ -1094,10 +1098,6 @@
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\sofia-sip\rc4.h"
 					>
 				</File>
-				<File
-					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\sofia-sip\string0.h"
-					>
-				</File>
 				<File
 					RelativePath="..\..\sofia-sip\libsofia-sip-ua\ipt\sofia-sip\token64.h"
 					>