diff --git a/platform/emlib/inc/em_assert.h b/platform/emlib/inc/em_assert.h
index de340d54c5..bce2452781 100644
--- a/platform/emlib/inc/em_assert.h
+++ b/platform/emlib/inc/em_assert.h
@@ -31,6 +31,10 @@
 #ifndef EM_ASSERT_H
 #define EM_ASSERT_H
 
+#if defined(EM_ASSERT_CONFIG_FILE)
+#include EM_ASSERT_CONFIG_FILE
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -74,10 +78,19 @@ extern "C" {
 /* not the assert expression (nor function name (C99)) */
 void assertEFM(const char *file, int line);
 /** Default assertion is not operational */
+
+#if !defined(EFM_ASSERT_USER)
+
 #define EFM_ASSERT(expr)    ((expr) ? ((void)0) : assertEFM(__FILE__, __LINE__))
 
 #else
 
+#define EFM_ASSERT(expr)    EFM_ASSERT_USER(expr)
+
+#endif /* !defined(EFM_ASSERT_USER) */
+
+#else
+
 /** Default assertion is not operational */
 #define EFM_ASSERT(expr)    ((void)(expr))