diff --git a/include/ipa/ipa_interface.h b/include/ipa/ipa_interface.h
index 8fd658af5fdb..35dc4b4e3165 100644
--- a/include/ipa/ipa_interface.h
+++ b/include/ipa/ipa_interface.h
@@ -43,7 +43,7 @@ public:
 	virtual int init() = 0;
 
 	virtual void configure(const std::map<unsigned int, IPAStream> &streamConfig,
-			       const std::map<unsigned int, ControlInfoMap> &entityControls) = 0;
+			       const std::map<unsigned int, const ControlInfoMap &> &entityControls) = 0;
 
 	virtual void mapBuffers(const std::vector<IPABuffer> &buffers) = 0;
 	virtual void unmapBuffers(const std::vector<unsigned int> &ids) = 0;
diff --git a/src/ipa/ipa_vimc.cpp b/src/ipa/ipa_vimc.cpp
index 9fd5212b0381..50ca8dd805fb 100644
--- a/src/ipa/ipa_vimc.cpp
+++ b/src/ipa/ipa_vimc.cpp
@@ -31,7 +31,7 @@ public:
 
 	int init() override;
 	void configure(const std::map<unsigned int, IPAStream> &streamConfig,
-		       const std::map<unsigned int, ControlInfoMap> &entityControls) override {}
+		       const std::map<unsigned int, const ControlInfoMap &> &entityControls) override {}
 	void mapBuffers(const std::vector<IPABuffer> &buffers) override {}
 	void unmapBuffers(const std::vector<unsigned int> &ids) override {}
 	void processEvent(const IPAOperationData &event) override {}
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index d741d5677d0e..41babf0c4140 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -33,7 +33,7 @@ public:
 	int init() override { return 0; }
 
 	void configure(const std::map<unsigned int, IPAStream> &streamConfig,
-		       const std::map<unsigned int, ControlInfoMap> &entityControls) override;
+		       const std::map<unsigned int, const ControlInfoMap &> &entityControls) override;
 	void mapBuffers(const std::vector<IPABuffer> &buffers) override;
 	void unmapBuffers(const std::vector<unsigned int> &ids) override;
 	void processEvent(const IPAOperationData &event) override;
@@ -62,7 +62,7 @@ private:
 };
 
 void IPARkISP1::configure(const std::map<unsigned int, IPAStream> &streamConfig,
-			  const std::map<unsigned int, ControlInfoMap> &entityControls)
+			  const std::map<unsigned int, const ControlInfoMap &> &entityControls)
 {
 	if (entityControls.empty())
 		return;
diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index b21cf92435e7..4a583a7a1d7e 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -777,7 +777,7 @@ int PipelineHandlerRkISP1::start(Camera *camera)
 		.size = data->stream_.configuration().size,
 	};
 
-	std::map<unsigned int, ControlInfoMap> entityControls;
+	std::map<unsigned int, const ControlInfoMap &> entityControls;
 	entityControls.emplace(0, data->sensor_->controls());
 
 	data->ipa_->configure(streamConfig, entityControls);
diff --git a/src/libcamera/proxy/ipa_proxy_linux.cpp b/src/libcamera/proxy/ipa_proxy_linux.cpp
index 27b6639d6312..c7218fb47249 100644
--- a/src/libcamera/proxy/ipa_proxy_linux.cpp
+++ b/src/libcamera/proxy/ipa_proxy_linux.cpp
@@ -28,7 +28,7 @@ public:
 
 	int init() override { return 0; }
 	void configure(const std::map<unsigned int, IPAStream> &streamConfig,
-		       const std::map<unsigned int, ControlInfoMap> &entityControls) override {}
+		       const std::map<unsigned int, const ControlInfoMap &> &entityControls) override {}
 	void mapBuffers(const std::vector<IPABuffer> &buffers) override {}
 	void unmapBuffers(const std::vector<unsigned int> &ids) override {}
 	void processEvent(const IPAOperationData &event) override {}