diff --git a/luprex/cpp/core/eng-malloc.cpp b/luprex/cpp/core/eng-malloc.cpp
index 0968cafa..da9e74b2 100644
--- a/luprex/cpp/core/eng-malloc.cpp
+++ b/luprex/cpp/core/eng-malloc.cpp
@@ -81,7 +81,7 @@ static void *emulated_sbrk(intptr_t increment) {
     return emulated_sbrk_base + old_used;
 }
 
-#include "../../extern/dlmalloc.c"
+#include "../../ext/dlmalloc.c"
 
 namespace eng {
     static uint32_t hash;