diff --git a/src/libopensc/Makefile.am b/src/libopensc/Makefile.am
index 5a6255f4..4c8d57f4 100644
--- a/src/libopensc/Makefile.am
+++ b/src/libopensc/Makefile.am
@@ -41,7 +41,7 @@ include_HEADERS = \
 	cardctl.h asn1.h log.h ui.h \
 	errors.h types.h
 
-noinst_HEADERS = ctbcs.h internal.h esteid.h pinpad-ccid.h
+noinst_HEADERS = cards.h ctbcs.h internal.h esteid.h pinpad-ccid.h
 
 pkgconfigdir = @libdir@/pkgconfig
 pkgconfig_DATA = libopensc.pc libpkcs15init.pc \