2 files changed, 3 insertions, 1 deletions

diff --git a/ssl/CMakeLists.txt b/ssl/CMakeLists.txt
index 173c3b5..f5d52f7 100644
--- a/ssl/CMakeLists.txt
+++ b/ssl/CMakeLists.txt
@@ -64,8 +64,9 @@ set(
 add_library(ssl_obj OBJECT ${SSL_SRC})
 target_include_directories(ssl_obj
         PRIVATE
-                ../crypto/bio
                 .
+                hidden
+                ../crypto/bio
                 ../include/compat
         PUBLIC
                 ../include)
diff --git a/ssl/Makefile.am b/ssl/Makefile.am
index a2155fb..d27e2af 100644
--- a/ssl/Makefile.am
+++ b/ssl/Makefile.am
@@ -31,6 +31,7 @@ remove_bs_objects: libssl.la
         -$(AR) dv $(abs_top_builddir)/ssl/.libs/libssl.a \
             bs_ber.o bs_cbb.o bs_cbs.o
 
+libssl_la_CPPFLAGS = -I$(top_srcdir)/ssl/hidden ${AM_CPPFLAGS}
 libssl_la_LDFLAGS = -version-info @LIBSSL_VERSION@ -no-undefined -export-symbols $(top_srcdir)/ssl/ssl.sym
 libssl_la_LIBADD = $(abs_top_builddir)/crypto/libcrypto.la $(PLATFORM_LDADD)
 libssl_la_LIBADD += libbs.la