diff --git a/src/uvw/process.cpp b/src/uvw/process.cpp
index b9d20770..be44493e 100644
--- a/src/uvw/process.cpp
+++ b/src/uvw/process.cpp
@@ -82,7 +82,7 @@ UVW_INLINE process_handle &process_handle::stdio(file_handle fd, stdio_flags fla
     auto actual = uvw::file_handle{fd};
 
     auto it = std::find_if(po_fd_stdio.begin(), po_fd_stdio.end(), [actual](auto &&container) {
-        return container.data.fd == actual;
+        return container.data.fd == static_cast<uvw::file_handle::Type>(actual);
     });
 
     if(it == po_fd_stdio.cend()) {