diff --git a/tools/gdctl b/tools/gdctl
index 4b0ca244f..c8211edea 100755
--- a/tools/gdctl
+++ b/tools/gdctl
@@ -120,6 +120,8 @@ def print_properties(*, level, lines, properties):
         if isinstance(value, list):
             elements_string = ", ".join([str(element) for element in value])
             value_string = f"[{elements_string}]"
+        elif isinstance(value, bool):
+            value_string = "yes" if value else "no"
         else:
             value_string = str(value)