diff --git a/.gitignore b/.gitignore
index 3c3fc5a..95dd8ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ uv.lock
 *.pdf
 dist
 models/
+.venv
diff --git a/commonforms/form_creator.py b/commonforms/form_creator.py
index 5f72580..2a78a12 100644
--- a/commonforms/form_creator.py
+++ b/commonforms/form_creator.py
@@ -63,6 +63,7 @@ def __init__(
                 NameObject("/V"): TextStringObject(value or ""),
                 NameObject("/DV"): TextStringObject(default_value or ""),
                 NameObject("/Ff"): NumberObject(0 if not multiline else (1 << 12)),
+                NameObject("/F"): NumberObject(4),
                 NameObject("/Rect"): rect,
                 NameObject("/DA"): TextStringObject("/Helv 0 Tf 0 0 0 rg"),
             }
@@ -88,6 +89,7 @@ def __init__(
                 NameObject("/Subtype"): NameObject("/Widget"),
                 NameObject("/FT"): NameObject("/Btn"),
                 NameObject("/Ff"): NumberObject(0),
+                NameObject("/F"): NumberObject(4),
                 NameObject("/Rect"): rect,
                 NameObject("/V"): pdf_value,
                 NameObject("/AS"): pdf_value,