diff --git a/Sources/FoundationEssentials/FileManager/FileOperations.swift b/Sources/FoundationEssentials/FileManager/FileOperations.swift
index 9136123cc..418f5cfb1 100644
--- a/Sources/FoundationEssentials/FileManager/FileOperations.swift
+++ b/Sources/FoundationEssentials/FileManager/FileOperations.swift
@@ -995,7 +995,7 @@ enum _FileOperations {
             }
             
             // Copy permissions
-            if fchmod(dstFD, statInfo.st_mode) != 0 {
+            if fchmod(dstFD, mode_t(statInfo.st_mode)) != 0 {
                 try delegate.throwIfNecessary(errno, srcPath(), dstPath())
             }
         } else {