diff --git a/cmake/dotnet.cmake b/cmake/dotnet.cmake
index 671548c532..d393f7e693 100644
--- a/cmake/dotnet.cmake
+++ b/cmake/dotnet.cmake
@@ -142,9 +142,9 @@ add_custom_target(Dotnet${PROJECT_NAME}_proto DEPENDS ${PROTO_DOTNETS} ${PROJECT
 if(DEFINED ENV{DOTNET_SNK})
   add_custom_command(
     OUTPUT ${PROJECT_BINARY_DIR}/dotnet/or-tools.snk
-    COMMAND ${CMAKE_COMMAND} -E copy $ENV{DOTNET_SNK} .
+    COMMAND ${CMAKE_COMMAND} -E copy $ENV{DOTNET_SNK} ${PROJECT_BINARY_DIR}/dotnet/or-tools.snk
     COMMENT "Copy or-tools.snk from ENV:DOTNET_SNK"
-    WORKING_DIRECTORY dotnet
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     VERBATIM
     )
 else()
diff --git a/tools/release/build_delivery_win.cmd b/tools/release/build_delivery_win.cmd
index 488d9e7e51..5319a2e292 100644
--- a/tools/release/build_delivery_win.cmd
+++ b/tools/release/build_delivery_win.cmd
@@ -180,7 +180,7 @@ echo DONE | tee.exe -a build.log
 REM make.exe test_dotnet WINDOWS_PATH_TO_PYTHON=c:\python39-64 || exit 1
 REM echo make test_dotnet: DONE | tee.exe -a build.log
 
-for %%i in (temp_dotnet\dotnet\packages\*nupkg*) do (
+for %%i in (temp_dotnet\dotnet\packages\*.nupkg*) do (
   echo Copy %%i to export... | tee.exe -a build.log
   copy %%i export\.
   echo Copy %%i to export...DONE | tee.exe -a build.log