diff --git a/headers/os/drivers/ACPI.h b/headers/os/drivers/ACPI.h
index 64f48f7b86..1d09820540 100644
--- a/headers/os/drivers/ACPI.h
+++ b/headers/os/drivers/ACPI.h
@@ -160,7 +160,7 @@ typedef void (*acpi_notify_handler)(acpi_handle device, uint32 value,
 struct acpi_module_info {
 	module_info info;
 
-	status_t	(*get_handle)(acpi_handle parent, char *pathname,
+	status_t	(*get_handle)(acpi_handle parent, const char *pathname,
 					acpi_handle *retHandle);
 
 	/* Global Lock */
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
index 4b6186882b..2512e3c0bb 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
@@ -262,9 +262,9 @@ acpi_std_ops(int32 op,...)
 
 
 status_t
-get_handle(acpi_handle parent, char *pathname, acpi_handle *retHandle)
+get_handle(acpi_handle parent, const char *pathname, acpi_handle *retHandle)
 {
-	return AcpiGetHandle(parent, pathname, retHandle) == AE_OK
+	return AcpiGetHandle(parent, (ACPI_STRING)pathname, retHandle) == AE_OK
 		? B_OK : B_ERROR;
 }
 
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h b/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
index b8c723d5df..cb5c833568 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
@@ -43,7 +43,7 @@ typedef struct acpi_device_cookie {
 typedef struct acpi_root_info {
 	driver_module_info info;
 
-	status_t	(*get_handle)(acpi_handle parent, char *pathname,
+	status_t	(*get_handle)(acpi_handle parent, const char *pathname,
 					acpi_handle *retHandle);
 
 	/* Global Lock */
@@ -147,7 +147,8 @@ extern struct device_module_info embedded_controller_device_module;
 extern acpi_device_module_info gACPIDeviceModule;
 
 
-status_t get_handle(acpi_handle parent, char* pathname, acpi_handle* retHandle);
+status_t get_handle(acpi_handle parent, const char* pathname,
+	acpi_handle* retHandle);
 
 status_t acquire_global_lock(uint16 timeout, uint32* handle);
 status_t release_global_lock(uint32 handle);