diff --git a/Makefile b/Makefile
index 144e332..aa08161 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 LIB_DIR=lib
 TARGET=$(LIB_DIR)/libdwarfinterpret.so
-SRC=src/DwarfInterpret.cpp
+SRC=src/DwarfInterpret.cpp src/MemoryMap.cpp
 
 INCLUDE_DIR=include