diff --git a/Makefile.am b/Makefile.am
index 35564b02..7dfc4a3b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,13 +4,14 @@ ACLOCAL_AMFLAGS = -I ac-aux
 
 SUBDIRS = src exposed
 
+noinst_HEADERS = include/slvs.h
+
 exposed = \
 	exposed/CDemo.c \
 	exposed/DOC.txt \
 	exposed/Makefile \
 	exposed/VbDemo.vb \
-	exposed/lib.cpp \
-	exposed/slvs.h
+	exposed/lib.cpp
 
 EXTRA_DIST = \
 	$(exposed) \
diff --git a/exposed/CDemo.c b/exposed/CDemo.c
index 5dc0d6d8..14d95d2b 100644
--- a/exposed/CDemo.c
+++ b/exposed/CDemo.c
@@ -18,7 +18,7 @@
 #   include <stdint.h>
 #endif
 
-#include "slvs.h"
+#include <slvs.h>
 
 static Slvs_System sys;
 
diff --git a/exposed/Makefile.am b/exposed/Makefile.am
index 7fefc1a9..92183557 100644
--- a/exposed/Makefile.am
+++ b/exposed/Makefile.am
@@ -2,7 +2,7 @@
 
 AUTOMAKE_OPTIONS = subdir-objects
 
-AM_CPPFLAGS = -DLIBRARY -I$(top_srcdir)/src
+AM_CPPFLAGS = -DLIBRARY -I$(top_srcdir)/src -I$(top_srcdir)/include
 
 AM_LDFLAGS = -L.
 
@@ -16,7 +16,6 @@ CDemo_SOURCES = CDemo.c
 libslvs_a_CPPFLAGS = $(AM_CPPFLAGS)
 
 libslvs_a_SOURCES = \
-	slvs.h \
 	lib.cpp \
 	../src/util.cpp \
 	../src/entity.cpp \
diff --git a/exposed/lib.cpp b/exposed/lib.cpp
index a2c58e33..816c1979 100644
--- a/exposed/lib.cpp
+++ b/exposed/lib.cpp
@@ -6,7 +6,7 @@
 //-----------------------------------------------------------------------------
 #include "solvespace.h"
 #define EXPORT_DLL
-#include "slvs.h"
+#include <slvs.h>
 
 Sketch SK;
 static System SYS;
diff --git a/exposed/slvs.h b/include/slvs.h
similarity index 100%
rename from exposed/slvs.h
rename to include/slvs.h