diff --git a/pylib/tools/hookslib.py b/pylib/tools/hookslib.py
index 511dfdfd7..c3539cf44 100644
--- a/pylib/tools/hookslib.py
+++ b/pylib/tools/hookslib.py
@@ -139,7 +139,7 @@ class {self.classname()}:
         if self.legacy_hook:
             out += f"""\
         # legacy support
-        runFilter({self.legacy_args()})
+        {arg_names[0]} = runFilter({self.legacy_args()})
 """
 
         out += f"""\
diff --git a/qt/aqt/gui_hooks.py b/qt/aqt/gui_hooks.py
index bd2fb71ea..d80f15f5f 100644
--- a/qt/aqt/gui_hooks.py
+++ b/qt/aqt/gui_hooks.py
@@ -251,7 +251,7 @@ class _CardWillShowFilter:
                 self._hooks.remove(filter)
                 raise
         # legacy support
-        runFilter("prepareQA", text, card, kind)
+        text = runFilter("prepareQA", text, card, kind)
         return text
 
 
@@ -512,7 +512,7 @@ class _EditorDidUnfocusFieldFilter:
                 self._hooks.remove(filter)
                 raise
         # legacy support
-        runFilter("editFocusLost", changed, note, current_field_idx)
+        changed = runFilter("editFocusLost", changed, note, current_field_idx)
         return changed
 
 
@@ -591,7 +591,7 @@ class _EditorWillUseFontForFieldFilter:
                 self._hooks.remove(filter)
                 raise
         # legacy support
-        runFilter("mungeEditingFontName", font)
+        font = runFilter("mungeEditingFontName", font)
         return font
 
 
@@ -1034,7 +1034,7 @@ class _StyleDidInitFilter:
                 self._hooks.remove(filter)
                 raise
         # legacy support
-        runFilter("setupStyle", style)
+        style = runFilter("setupStyle", style)
         return style