diff --git a/lib/Makefile b/lib/Makefile
index b0bb628..58eb28c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,14 +3,14 @@ CXX=g++
 CC=gcc
 CXXFLAGS= -ggdb -O0
 CFLAGS= -ggdb -O0
-SOURCES= loadRamses.cpp yorick.cpp miniargs.cpp  fortran.cpp interpolate.cpp
+SOURCES= loadRamses.cpp yorick.cpp miniargs.cpp  fortran.cpp interpolate.cpp load_data.cpp
 LIBS= -lnetcdf_c++ -lnetcdf -lgsl -lgslcblas -lm
 
 VPATH=../src
 
 all: $(SHLIBS)
 
-libCosmoTool.so: loadRamses.o yorick.o miniargs.o fortran.o interpolate.o
+libCosmoTool.so: loadRamses.o yorick.o miniargs.o fortran.o interpolate.o load_data.o
 
 depend: $(SOURCES)
 	@echo "[DEPENDS] $^"