diff --git a/lib/Makefile b/lib/Makefile
index baa976a..a7fdc5e 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,4 +1,4 @@
-SHLIBS= libCosmoTool.so
+SHLIBS= libCosmoTool.$(SOSUFFIX)
 SOURCES= loadRamses.cpp yorick.cpp miniargs.cpp  fortran.cpp interpolate.cpp load_data.cpp powerSpectrum.cpp octTree.cpp loadGadget.cpp
 LIBS= -lnetcdf_c++ -lnetcdf -lgsl -lgslcblas -lm
 
@@ -8,7 +8,7 @@ VPATH=../src
 
 all: $(SHLIBS)
 
-libCosmoTool.so: loadRamses.o yorick.o miniargs.o fortran.o interpolate.o load_data.o powerSpectrum.o octTree.o loadGadget.o
+libCosmoTool.$(SOSUFFIX): loadRamses.o yorick.o miniargs.o fortran.o interpolate.o load_data.o powerSpectrum.o octTree.o loadGadget.o
 
 depend: $(SOURCES)
 	@echo "[DEPENDS] $^"
@@ -18,7 +18,7 @@ install:
 	@mkdir -p ../install/lib
 	@mkdir -p ../install/include/CosmoTool
 	@echo "Copying libraries"
-	@cp libCosmoTool.so ../install/lib
+	@cp libCosmoTool.$(SOSUFFIX) ../install/lib
 	@echo "Copying header files"
 	@cp ../src/*.hpp ../install/include/CosmoTool
 	@cp ../src/*.tcc ../install/include/CosmoTool
@@ -32,9 +32,9 @@ clean:
 
 .mydepends: depend Makefile config.mk
 
-%.so:
+%.$(SOSUFFIX):
 	@echo "[LINK SHARED] $@"
-	@$(CXX) -shared -o $@ $^ $(LDFLAGS) $(LIBS)
+	@$(CXX) $(SOFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
 
 %.prog:
 	@echo "[L] $@"
diff --git a/lib/config.mk b/lib/config.mk
index b7d6f8b..dbc2dfb 100644
--- a/lib/config.mk
+++ b/lib/config.mk
@@ -4,3 +4,6 @@ CFLAGS=-ggdb -O0
 CXXFLAGS=-ggdb -O0
 LDFLAGS=
 CPPFLAGS=
+
+SOSUFFIX=so
+SOFLAGS=-shared