diff --git a/MakeLib.mk b/MakeLib.mk
index 2dc6800..27aa061 100644
--- a/MakeLib.mk
+++ b/MakeLib.mk
@@ -12,7 +12,7 @@ incdir := $(prefix)/include
 
 all: $(LIBNAME) libnethogs.a
 
-ifeq ($(UNAME_S),Darwin)
+ifeq ($(OS),Darwin)
 LDFLAGS:= -shared -Wl,-install_name,$(SO_NAME)
 else
 LDFLAGS:= -shared -Wl,-soname,$(SO_NAME)
diff --git a/Makefile b/Makefile
index f4c32a2..766c960 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,9 @@ install:
 	$(MAKE) -f MakeApp.mk $@
 	$(MAKE) -f MakeLib.mk $@
 
+install_dev:
+	$(MAKE) -f MakeLib.mk $@ 
+
 uninstall:
 	$(MAKE) -f MakeApp.mk $@
 	$(MAKE) -f MakeLib.mk $@