diff --git a/src/ocrmypdf/_pipeline.py b/src/ocrmypdf/_pipeline.py
index d0d5ad89..db7e7464 100644
--- a/src/ocrmypdf/_pipeline.py
+++ b/src/ocrmypdf/_pipeline.py
@@ -428,6 +428,9 @@ def rasterize(
             else:
                 device_idx = at_least('png16m')
 
+    if pageinfo.has_vector:
+        device_idx = at_least('png16m')
+
     device = colorspaces[device_idx]
 
     page_context.log.debug(f"Rasterize with {device}")