diff --git a/src/modules/systemlib/err.c b/src/modules/systemlib/err.c
index 7765395256..5ad31330af 100644
--- a/src/modules/systemlib/err.c
+++ b/src/modules/systemlib/err.c
@@ -62,17 +62,6 @@ extern int lib_lowvprintf(const char *fmt, va_list ap);
 
 // XXX not used anymore
 #if 0
-const char *
-getprogname(void)
-{
-#if CONFIG_TASK_NAME_SIZE > 0
-	FAR struct tcb_s	*thisproc = sched_self();
-
-	return thisproc->name;
-#else
-	return "app";
-#endif
-}
 
 static void
 warnerr_core(int errcode, const char *fmt, va_list args)
diff --git a/src/modules/systemlib/err.h b/src/modules/systemlib/err.h
index 72167bec54..7c09bf7b0f 100644
--- a/src/modules/systemlib/err.h
+++ b/src/modules/systemlib/err.h
@@ -74,8 +74,6 @@
 
 __BEGIN_DECLS
 
-__EXPORT const char *getprogname(void);
-
 
 #ifdef __PX4_NUTTX
 #define EXIT(eval) exit(eval)
diff --git a/src/platforms/nuttx/px4_layer/px4_nuttx_tasks.c b/src/platforms/nuttx/px4_layer/px4_nuttx_tasks.c
index bb4dea7d4a..4cefa0c716 100644
--- a/src/platforms/nuttx/px4_layer/px4_nuttx_tasks.c
+++ b/src/platforms/nuttx/px4_layer/px4_nuttx_tasks.c
@@ -38,6 +38,7 @@
  */
 
 #include <px4_config.h>
+#include <px4_tasks.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <fcntl.h>
@@ -106,3 +107,15 @@ int px4_task_delete(int pid)
 {
 	return task_delete(pid);
 }
+
+const char *getprogname(void)
+{
+#if CONFIG_TASK_NAME_SIZE > 0
+	FAR struct tcb_s	*thisproc = sched_self();
+
+	return thisproc->name;
+#else
+	return "app";
+#endif
+}
+
diff --git a/src/platforms/px4_tasks.h b/src/platforms/px4_tasks.h
index 6b6fdbddf4..0ce9e2e4a3 100644
--- a/src/platforms/px4_tasks.h
+++ b/src/platforms/px4_tasks.h
@@ -134,5 +134,7 @@ __EXPORT bool px4_task_is_running(const char *taskname);
 __EXPORT int px4_prctl(int option, const char *arg2, unsigned pid);
 #endif
 
+__EXPORT const char *getprogname(void);
+
 __END_DECLS