diff --git a/cmake/CopyFileScript.cmake b/cmake/CopyFileScript.cmake
index a6b2f8397b..9b3668860e 100644
--- a/cmake/CopyFileScript.cmake
+++ b/cmake/CopyFileScript.cmake
@@ -39,12 +39,12 @@ if(CMAKE_HOST_WIN32)
 
 elseif(CMAKE_HOST_UNIX)
   execute_process(
-    COMMAND rsync -av ${COPY_SOURCE} "${COPY_DEST}/"
-    RESULT_VARIABLE rs
+    COMMAND cp -av "${COPY_SOURCE}/" "${COPY_DEST}/"
+    RESULT_VARIABLE cp
   )
 
-  if(rs GREATER 0) # Any non-zero exit code indicates an error
-    message(FATAL_ERROR "rsync failed (exit code ${rs})")
+  if(cp GREATER 0) # Any non-zero exit code indicates an error
+    message(FATAL_ERROR "cp failed (exit code ${cp})")
   endif()
 else()
   message(FATAL_ERROR "Unsupported host platform for asset copying.")
diff --git a/cmake/CopyFolderScript.cmake b/cmake/CopyFolderScript.cmake
index e725b68dce..d2bfa76ea9 100644
--- a/cmake/CopyFolderScript.cmake
+++ b/cmake/CopyFolderScript.cmake
@@ -46,24 +46,25 @@ if(CMAKE_HOST_WIN32)
     message(FATAL_ERROR "robocopy failed (exit code ${rc})")
   endif()
 elseif(CMAKE_HOST_UNIX)
-  set(rsync_args -av)
+  set(tar_args)
 
   foreach(pattern IN LISTS EXCLUDE_FILES)
-    list(APPEND rsync_args "--exclude=${pattern}")
+    list(APPEND tar_args "--exclude=${pattern}")
   endforeach()
 
   foreach(pattern IN LISTS EXCLUDE_FOLDERS)
-    list(APPEND rsync_args "--exclude=${pattern}")
+    list(APPEND tar_args "--exclude=${pattern}")
   endforeach()
 
-  # Trailing slashes ensure rsync copies contents, not the directory itself
+  # Trailing slashes ensure tar copies contents, not the directory itself
   execute_process(
-    COMMAND rsync ${rsync_args} "${COPY_SOURCE}/" "${COPY_DEST}/"
-    RESULT_VARIABLE rs
+    COMMAND tar ${tar_args} -cf - -C "${COPY_SOURCE}/" .
+    COMMAND tar -xvf - -C "${COPY_DEST}/"
+    RESULT_VARIABLE tr
   )
 
-  if(rs GREATER 0) # Any non-zero exit code indicates an error
-    message(FATAL_ERROR "rsync failed (exit code ${rs})")
+  if(tr GREATER 0) # Any non-zero exit code indicates an error
+    message(FATAL_ERROR "tar failed (exit code ${tr})")
   endif()
 else()
   message(FATAL_ERROR "Unsupported host platform for asset copying.")