diff --git a/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl
index 7f2d0810823b..590135b88421 100644
--- a/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl
+++ b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl
@@ -15,6 +15,7 @@
 #pragma once
 
 {% if has_map %}#include <map>{% endif %}
+{% if has_string %}#include <string>{% endif %}
 {% if has_array %}#include <vector>{% endif %}
 
 #include <libcamera/ipa/ipa_interface.h>
diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl
index 4d88a3d77d0f..0111d0c4c591 100644
--- a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl
+++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl
@@ -14,12 +14,13 @@
 
 #pragma once
 
+{% if has_map %}#include <map>{% endif %}
+{% if has_string %}#include <string>{% endif %}
+{% if has_array %}#include <vector>{% endif %}
+
 #include <libcamera/ipa/core_ipa_interface.h>
 #include <libcamera/ipa/ipa_interface.h>
 
-{% if has_map %}#include <map>{% endif %}
-{% if has_array %}#include <vector>{% endif %}
-
 namespace libcamera {
 {%- if has_namespace %}
 {% for ns in namespace %}
diff --git a/utils/codegen/ipc/generators/mojom_libcamera_generator.py b/utils/codegen/ipc/generators/mojom_libcamera_generator.py
index b8209e516297..d9c620a05e2a 100644
--- a/utils/codegen/ipc/generators/mojom_libcamera_generator.py
+++ b/utils/codegen/ipc/generators/mojom_libcamera_generator.py
@@ -467,6 +467,7 @@ class Generator(generator.Generator):
             'enums': self.module.enums,
             'has_array': len([x for x in self.module.kinds.keys() if x[0] == 'a']) > 0,
             'has_map': len([x for x in self.module.kinds.keys() if x[0] == 'm']) > 0,
+            'has_string': len([x for x in self.module.kinds.keys() if x[0] == 's']) > 0,
             'has_namespace': self.module.mojom_namespace != '',
             'interface_event': GetEventInterface(self.module.interfaces),
             'interface_main': GetMainInterface(self.module.interfaces),
@@ -486,6 +487,7 @@ class Generator(generator.Generator):
             'enums_gen_header': [x for x in self.module.enums if x.attributes is None or 'skipHeader' not in x.attributes],
             'has_array': len([x for x in self.module.kinds.keys() if x[0] == 'a']) > 0,
             'has_map': len([x for x in self.module.kinds.keys() if x[0] == 'm']) > 0,
+            'has_string': len([x for x in self.module.kinds.keys() if x[0] == 's']) > 0,
             'structs_gen_header': [x for x in self.module.structs if x.attributes is None or 'skipHeader' not in x.attributes],
             'structs_gen_serializer': [x for x in self.module.structs if x.attributes is None or 'skipSerdes' not in x.attributes],
         }