diff --git a/visualc/vngspice.sln b/visualc/vngspice.sln
index 5c06e6fb5..50249e237 100644
--- a/visualc/vngspice.sln
+++ b/visualc/vngspice.sln
@@ -12,6 +12,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "vngspice", "vngspice.vcxpro
 		{8271FEA2-8AC0-4B6D-BAEA-A503D37B5DB2} = {8271FEA2-8AC0-4B6D-BAEA-A503D37B5DB2}
 		{B8DD41C5-70C6-4183-9018-C4B518E8D36A} = {B8DD41C5-70C6-4183-9018-C4B518E8D36A}
 		{9ABEC5F2-F6C6-41DE-88AB-02460A07F46E} = {9ABEC5F2-F6C6-41DE-88AB-02460A07F46E}
+		{7A6473F5-AFED-4910-88D2-6204DA829832} = {7A6473F5-AFED-4910-88D2-6204DA829832}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cmpp", "xspice\cmpp\cmpp.vcxproj", "{7C865696-FA10-43AE-A20B-22AE72A165E2}"