diff --git a/.idea/gimp-python-wrappers.iml b/.idea/gimp-python-wrappers.iml
index 8437fe6..91dacbb 100644
--- a/.idea/gimp-python-wrappers.iml
+++ b/.idea/gimp-python-wrappers.iml
@@ -2,7 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="Python 3.10" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="GIMP Python" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 9de2865..8b71b19 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,5 +3,5 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.10" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="GIMP Python" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e4480a..7df8f17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+3.2
+===
+
+* Fixed procedure registration if the same list of arguments was reused for multiple plug-in procedures.
+
+
 3.1
 ===
 
diff --git a/generate-pdb-stubs/generate-pdb-stubs.py b/generate-pdb-stubs/generate-pdb-stubs.py
index d6ea335..7645ee5 100644
--- a/generate-pdb-stubs/generate-pdb-stubs.py
+++ b/generate-pdb-stubs/generate-pdb-stubs.py
@@ -13,7 +13,6 @@
 from gi.repository import Gimp
 gi.require_version('GimpUi', '3.0')
 from gi.repository import GimpUi
-from gi.repository import GLib
 from gi.repository import GObject
 
 import stubgen
diff --git a/wrappers/procedure.py b/wrappers/procedure.py
index 51024ff..32b53a3 100644
--- a/wrappers/procedure.py
+++ b/wrappers/procedure.py
@@ -199,24 +199,26 @@ def _parse_and_check_parameters(parameters):
   processed_parameters = {}
 
   for param in parameters:
-    if isinstance(param, list):
-      if len(param) < 2:
+    processed_param = list(param)
+
+    if isinstance(processed_param, list):
+      if len(processed_param) < 2:
         raise ValueError(
           ('The list describing an argument or a return value must contain'
            ' at least two elements - type and name'))
 
-      if not isinstance(param[0], str):
+      if not isinstance(processed_param[0], str):
         raise TypeError('The type of the argument or return value must be a string')
 
-      if not isinstance(param[1], str):
+      if not isinstance(processed_param[1], str):
         raise TypeError('The name of the argument or return value must be a string')
 
-      name = param.pop(1).replace('_', '-')
+      name = processed_param.pop(1).replace('_', '-')
 
       if name in processed_parameters:
         raise ValueError(f'Argument or return value named "{name}" was already specified')
 
-      processed_parameters[name] = list(param)
+      processed_parameters[name] = processed_param
     else:
       raise TypeError('Only lists are allowed when specifying an argument or return value')