diff --git a/Makefile.am b/Makefile.am
index 0a36c72..88a93c6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -159,6 +159,8 @@ cglm_structdir=$(includedir)/cglm/struct
 cglm_struct_HEADERS = include/cglm/struct/mat4.h \
                       include/cglm/struct/mat3.h \
                       include/cglm/struct/mat2.h \
+                      include/cglm/struct/affine-pre.h \
+                      include/cglm/struct/affine-post.h \
                       include/cglm/struct/affine.h \
                       include/cglm/struct/affine2d.h \
                       include/cglm/struct/vec2.h \
diff --git a/win/cglm.vcxproj b/win/cglm.vcxproj
index eeb0e78..225c240 100644
--- a/win/cglm.vcxproj
+++ b/win/cglm.vcxproj
@@ -60,6 +60,8 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\include\cglm\affine-mat.h" />
+    <ClInclude Include="..\include\cglm\affine-post.h" />
+    <ClInclude Include="..\include\cglm\affine-pre.h" />
     <ClInclude Include="..\include\cglm\affine.h" />
     <ClInclude Include="..\include\cglm\affine2d.h" />
     <ClInclude Include="..\include\cglm\applesimd.h" />
diff --git a/win/cglm.vcxproj.filters b/win/cglm.vcxproj.filters
index 7371322..ad73efd 100644
--- a/win/cglm.vcxproj.filters
+++ b/win/cglm.vcxproj.filters
@@ -591,5 +591,11 @@
     <ClInclude Include="..\include\cglm\ivec4.h">
       <Filter>include\cglm</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\cglm\affine-post.h">
+      <Filter>include\cglm</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\cglm\affine-pre.h">
+      <Filter>include\cglm</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file