diff --git a/build_files/cmake/platform/platform_unix.cmake b/build_files/cmake/platform/platform_unix.cmake
index a08c4112c53..e70ac514f3a 100644
--- a/build_files/cmake/platform/platform_unix.cmake
+++ b/build_files/cmake/platform/platform_unix.cmake
@@ -579,6 +579,9 @@ if(WITH_MANIFOLD)
   else()
     # This isn't a common system library, so disable if it's not found.
     find_package(manifold)
+    if(TARGET manifold::manifold)
+      set(MANIFOLD_FOUND TRUE)
+    endif()
     set_and_warn_library_found("MANIFOLD" MANIFOLD_FOUND WITH_MANIFOLD)
   endif()
 endif()