diff --git a/scripts/cmake/vcpkg_copy_tool_dependencies.cmake b/scripts/cmake/vcpkg_copy_tool_dependencies.cmake
index 73a9cc4e62..0cb0bbcefb 100644
--- a/scripts/cmake/vcpkg_copy_tool_dependencies.cmake
+++ b/scripts/cmake/vcpkg_copy_tool_dependencies.cmake
@@ -23,6 +23,9 @@ function(vcpkg_copy_tool_dependencies TOOL_DIR)
     if (VCPKG_TARGET_IS_WINDOWS)
         find_program(PWSH_EXE pwsh)
         if (NOT PWSH_EXE)
+            if(UNIX AND NOT CYGWIN)
+                message(FATAL_ERROR "Could not find PowerShell Core; install PowerShell Core as described here: https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux")
+            endif()
             message(FATAL_ERROR "Could not find PowerShell Core; please open an issue to report this.")
         endif()
         macro(search_for_dependencies PATH_TO_SEARCH)