diff --git a/proxies/jmcore_proxy.c b/proxies/jmcore_proxy.c
index 7f067390..79d15e95 100644
--- a/proxies/jmcore_proxy.c
+++ b/proxies/jmcore_proxy.c
@@ -50,7 +50,7 @@ void jmcore_proxy_uninit(void)
   dbus_unregister_service_lifetime_hook(g_dbus_connection, JMCORE_SERVICE_NAME);
 }
 
-const int64_t jmcore_proxy_get_pid_cached(void)
+int64_t jmcore_proxy_get_pid_cached(void)
 {
   if (g_jmcore_pid == 0)
   {
diff --git a/proxies/jmcore_proxy.h b/proxies/jmcore_proxy.h
index 1340cbea..c71be321 100644
--- a/proxies/jmcore_proxy.h
+++ b/proxies/jmcore_proxy.h
@@ -31,7 +31,7 @@
 
 bool jmcore_proxy_init(void);
 void jmcore_proxy_uninit(void);
-const int64_t jmcore_proxy_get_pid_cached(void);
+int64_t jmcore_proxy_get_pid_cached(void);
 bool jmcore_proxy_get_pid_noncached(int64_t * pid_ptr);
 bool jmcore_proxy_create_link(bool midi, const char * input_port_name, const char * output_port_name);
 bool jmcore_proxy_destroy_link(const char * port_name);