diff --git a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
index 1816f81a27..7ec566d12a 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
+++ b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.dsp
@@ -725,6 +725,10 @@ SOURCE="..\..\libsofia-sip-ua\nua\nua_tag_ref.c"
 # End Source File
 # Begin Source File
 
+SOURCE="..\..\libsofia-sip-ua\nua\nua_types.h"
+# End Source File
+# Begin Source File
+
 SOURCE="..\..\libsofia-sip-ua\nua\outbound.c"
 # End Source File
 # Begin Source File
diff --git a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
index 76faa2708c..8371f4cdc4 100644
--- a/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
+++ b/libs/sofia-sip/win32/libsofia-sip-ua/libsofia_sip_ua.vcproj
@@ -3231,6 +3231,10 @@
 						/>
 					</FileConfiguration>
 				</File>
+				<File
+					RelativePath="..\..\libsofia-sip-ua\nua\nua_types.h"
+					>
+				</File>
 				<File
 					RelativePath="..\..\libsofia-sip-ua\nua\outbound.c"
 					>