diff --git a/build/win32/vs10/gtk3-demo.vcxproj b/build/win32/vs10/gtk3-demo.vcxproj
index 3c38828a90..72da6e9559 100644
--- a/build/win32/vs10/gtk3-demo.vcxproj
+++ b/build/win32/vs10/gtk3-demo.vcxproj
@@ -176,6 +176,8 @@
+
+
diff --git a/build/win32/vs10/gtk3-demo.vcxproj.filters b/build/win32/vs10/gtk3-demo.vcxproj.filters
index efedcfff11..cfbb17b8aa 100644
--- a/build/win32/vs10/gtk3-demo.vcxproj.filters
+++ b/build/win32/vs10/gtk3-demo.vcxproj.filters
@@ -47,6 +47,12 @@
Source Files
+
+ Source Files
+
+
+ Source Files
+
Source Files
diff --git a/build/win32/vs9/gtk3-demo.vcproj b/build/win32/vs9/gtk3-demo.vcproj
index 850aebc2ee..37026f8fee 100644
--- a/build/win32/vs9/gtk3-demo.vcproj
+++ b/build/win32/vs9/gtk3-demo.vcproj
@@ -171,6 +171,8 @@
+
+