diff --git a/dll/directx/amstream/CMakeLists.txt b/dll/directx/amstream/CMakeLists.txt
index 8a95a23b412..05958014859 100644
--- a/dll/directx/amstream/CMakeLists.txt
+++ b/dll/directx/amstream/CMakeLists.txt
@@ -29,4 +29,4 @@ add_importlibs(amstream
     kernel32
     ntdll)
 
-add_dependencies(amstream amstream_def)
+add_dependencies(amstream amstream_def dxsdk)
diff --git a/dll/directx/msdmo/CMakeLists.txt b/dll/directx/msdmo/CMakeLists.txt
index b3314cdb95a..c21f1d5c374 100644
--- a/dll/directx/msdmo/CMakeLists.txt
+++ b/dll/directx/msdmo/CMakeLists.txt
@@ -25,4 +25,4 @@ add_importlibs(msdmo
     kernel32
     ntdll)
 
-add_dependencies(msdmo msdmo_def psdk buildno_header)
+add_dependencies(msdmo msdmo_def dxdsk psdk buildno_header)