diff --git a/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h b/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
index 93cb8113d3..e114b66532 100644
--- a/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
+++ b/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
@@ -20,6 +20,10 @@
 #ifndef SL_MALLOC_H
 #define SL_MALLOC_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 
 void *sl_malloc(size_t size);
@@ -27,4 +31,8 @@ void *sl_calloc(size_t nmemb, size_t size);
 void *sl_realloc(void * ptr, size_t size);
 void sl_free(void * ptr);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // SL_MALLOC_H