diff --git a/autowrap/CodeGenerator.py b/autowrap/CodeGenerator.py
index 50d9fd5..8ac6712 100644
--- a/autowrap/CodeGenerator.py
+++ b/autowrap/CodeGenerator.py
@@ -2133,11 +2133,11 @@ def create_std_cimports(self):
                 code.add(stmt)
 
         self.top_level_code.append(code)
-        
+
         # If numpy is enabled, inline the ArrayWrapper/ArrayView classes
         if self.include_numpy:
             self.inline_array_wrappers()
-        
+
         return code
     
     def inline_array_wrappers(self):
@@ -2175,8 +2175,10 @@ def inline_array_wrappers(self):
                 """)
         # Add the wrapper code directly
         code.add(wrapper_code_str)
-        
-        self.top_level_code.append(code)
+
+        # Add to top_level_pyx_code so ArrayWrappers go to pyx only, not pxd
+        # This avoids conflicts when the project already has ArrayWrapper definitions
+        self.top_level_pyx_code.append(code)
 
     def create_includes(self):
         code = Code()