diff --git a/CMake/curl-config.cmake.in b/CMake/curl-config.cmake.in
index 5be5d7103a..11f13d03f7 100644
--- a/CMake/curl-config.cmake.in
+++ b/CMake/curl-config.cmake.in
@@ -24,7 +24,7 @@
 @PACKAGE_INIT@
 
 if(NOT DEFINED CURL_USE_PKGCONFIG)
-  if(NOT MSVC OR VCPKG_TOOLCHAIN)
+  if(UNIX OR (MSVC AND VCPKG_TOOLCHAIN))  # Keep this in sync with root CMakeLists.txt
     set(CURL_USE_PKGCONFIG ON)
   else()
     set(CURL_USE_PKGCONFIG OFF)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index abf6af30a7..269a6e286f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -208,7 +208,7 @@ else()
 endif()
 
 # Override to force-disable or force-enable the use of pkg-config.
-if(NOT MSVC OR VCPKG_TOOLCHAIN)
+if(UNIX OR (MSVC AND VCPKG_TOOLCHAIN))  # Keep this in sync with CMake/curl-config.cmake.in
   set(_curl_use_pkgconfig_default ON)
 else()
   set(_curl_use_pkgconfig_default OFF)