diff --git a/lib/cmock_generator_plugin_cexception.rb b/lib/cmock_generator_plugin_cexception.rb
index b90ba59..232c5f1 100644
--- a/lib/cmock_generator_plugin_cexception.rb
+++ b/lib/cmock_generator_plugin_cexception.rb
@@ -29,7 +29,7 @@ class CMockGeneratorPluginCexception
              "void #{function[:name]}_CMockExpectAndThrow(UNITY_LINE_TYPE cmock_line, CEXCEPTION_T cmock_to_throw);\n"
     else
       "#define #{function[:name]}_ExpectAndThrow(#{function[:args_call]}, cmock_to_throw) #{function[:name]}_CMockExpectAndThrow(__LINE__, #{function[:args_call]}, cmock_to_throw)\n" \
-             "void #{function[:name]}_CMockExpectAndThrow(UNITY_LINE_TYPE cmock_line, #{function[:args_string]}, CEXCEPTION_T cmock_to_throw);\n"
+             "void #{function[:name]}_CMockExpectAndThrow(UNITY_LINE_TYPE cmock_line, #{helper_args_string(function)}, CEXCEPTION_T cmock_to_throw);\n"
     end
   end
 
@@ -40,11 +40,20 @@ class CMockGeneratorPluginCexception
   end
 
   def mock_interfaces(function)
-    arg_insert = function[:args_string] == 'void' ? '' : "#{function[:args_string]}, "
+    arg_insert = function[:args_string] == 'void' ? '' : "#{helper_args_string(function)}, "
     ["void #{function[:name]}_CMockExpectAndThrow(UNITY_LINE_TYPE cmock_line, #{arg_insert}CEXCEPTION_T cmock_to_throw)\n{\n",
      @utils.code_add_base_expectation(function[:name]),
      @utils.code_call_argument_loader(function),
      "  cmock_call_instance->ExceptionToThrow = cmock_to_throw;\n",
      "}\n\n"].join
   end
+
+  private
+
+  def helper_args_string(function)
+    return function[:args_string] if function[:args_string] == 'void'
+    return function[:args_string] unless function[:args]&.any? { |m| m.is_a?(Hash) && m[:array_dims] }
+
+    function[:args].map { |m| CMockGeneratorUtils.arg_declaration(m) }.join(', ')
+  end
 end
diff --git a/lib/cmock_generator_plugin_expect.rb b/lib/cmock_generator_plugin_expect.rb
index f4ada42..2255012 100644
--- a/lib/cmock_generator_plugin_expect.rb
+++ b/lib/cmock_generator_plugin_expect.rb
@@ -51,11 +51,11 @@ class CMockGeneratorPluginExpect
     elsif function[:return][:void?]
       lines << "#define #{function[:name]}_ExpectAndReturn(#{function[:args_call]}, cmock_retval) TEST_FAIL_MESSAGE(\"#{function[:name]} requires _Expect (not AndReturn)\");\n" if @error_stubs
       lines << "#define #{function[:name]}_Expect(#{function[:args_call]}) #{function[:name]}_CMockExpect(__LINE__, #{function[:args_call]})\n"
-      lines << "void #{function[:name]}_CMockExpect(UNITY_LINE_TYPE cmock_line, #{function[:args_string]});\n"
+      lines << "void #{function[:name]}_CMockExpect(UNITY_LINE_TYPE cmock_line, #{helper_args_string(function)});\n"
     else
       lines << "#define #{function[:name]}_Expect(#{function[:args_call]}) TEST_FAIL_MESSAGE(\"#{function[:name]} requires _ExpectAndReturn\");\n" if @error_stubs
       lines << "#define #{function[:name]}_ExpectAndReturn(#{function[:args_call]}, cmock_retval) #{function[:name]}_CMockExpectAndReturn(__LINE__, #{function[:args_call]}, cmock_retval)\n"
-      lines << "void #{function[:name]}_CMockExpectAndReturn(UNITY_LINE_TYPE cmock_line, #{function[:args_string]}, #{function[:return][:str]});\n"
+      lines << "void #{function[:name]}_CMockExpectAndReturn(UNITY_LINE_TYPE cmock_line, #{helper_args_string(function)}, #{function[:return][:str]});\n"
     end
     lines
   end
@@ -86,12 +86,12 @@ class CMockGeneratorPluginExpect
                if function[:args_string] == 'void'
                  "void #{func_name}_CMockExpect(UNITY_LINE_TYPE cmock_line)\n{\n"
                else
-                 "void #{func_name}_CMockExpect(UNITY_LINE_TYPE cmock_line, #{function[:args_string]})\n{\n"
+                 "void #{func_name}_CMockExpect(UNITY_LINE_TYPE cmock_line, #{helper_args_string(function)})\n{\n"
                end
              elsif function[:args_string] == 'void'
                "void #{func_name}_CMockExpectAndReturn(UNITY_LINE_TYPE cmock_line, #{function[:return][:str]})\n{\n"
              else
-               "void #{func_name}_CMockExpectAndReturn(UNITY_LINE_TYPE cmock_line, #{function[:args_string]}, #{function[:return][:str]})\n{\n"
+               "void #{func_name}_CMockExpectAndReturn(UNITY_LINE_TYPE cmock_line, #{helper_args_string(function)}, #{function[:return][:str]})\n{\n"
              end
     lines << "  TEST_MESSAGE(\"CMock: #{func_name}_#{function[:return][:void?] ? 'Expect' : 'ExpectAndReturn'} called\");\n" if @debug_output
     lines << @utils.code_add_base_expectation(func_name)
@@ -107,4 +107,17 @@ class CMockGeneratorPluginExpect
     "    UNITY_TEST_FAIL(cmock_line, CMockStringCalledLess);\n" \
     "  }\n"
   end
+
+  private
+
+  # Build args string for generated _CMockExpect/_CMockExpectAndReturn helper signatures.
+  # Converts flat array parameters (e.g. POINT_T a[N]) to pointer notation (POINT_T* a)
+  # to avoid GCC -Wstringop-overflow, which treats static array sizes in function
+  # parameters as bounds hints and errors when callers pass smaller objects.
+  def helper_args_string(function)
+    return function[:args_string] if function[:args_string] == 'void'
+    return function[:args_string] unless function[:args]&.any? { |m| m.is_a?(Hash) && m[:array_dims] }
+
+    function[:args].map { |m| CMockGeneratorUtils.arg_declaration(m) }.join(', ')
+  end
 end
diff --git a/lib/cmock_generator_utils.rb b/lib/cmock_generator_utils.rb
index d4547f8..edd7db7 100644
--- a/lib/cmock_generator_utils.rb
+++ b/lib/cmock_generator_utils.rb
@@ -43,11 +43,15 @@ class CMockGeneratorUtils
       base_type = arg_type_with_const(arg).sub(/\*$/, '').strip
       dims_str = arg[:array_dims].map { |d| "[#{d}]" }.join
       "#{base_type} (*#{arg[:name]})#{dims_str}"
-    elsif arg[:array_dims]
+    elsif arg[:array_dims] && arg[:array_dims].length > 1
+      # Multi-dimensional array (e.g. int matrix[13][4]): must preserve trailing
+      # dimensions so the parameter type decays correctly (int (*)[4], not int*).
       base_type = arg_type_with_const(arg).sub(/\*$/, '').strip
       dims_str = arg[:array_dims].map { |d| "[#{d}]" }.join
       "#{base_type} #{arg[:name]}#{dims_str}"
     else
+      # Plain param or 1D array param: arg[:type] is already the pointer type
+      # (parser converts T name[N] -> T*), so arg_type_with_const gives T*.
       "#{arg_type_with_const(arg)} #{arg[:name]}"
     end
   end