diff --git a/npa/Makefile.am b/npa/Makefile.am
index 7b33443..ad0b0e0 100644
--- a/npa/Makefile.am
+++ b/npa/Makefile.am
@@ -6,6 +6,7 @@ EXTRA_DIST = libnpa.pc.in apdus test_vicc_with_npa-tool.sh
 do_subst = $(SED) \
 	   -e 's,[@]PACKAGE_NAME[@],$(PACKAGE_NAME),g' \
 	   -e 's,[@]PACKAGE_VERSION[@],$(PACKAGE_VERSION),g' \
+	   -e 's,[@]PACKAGE_SUMMARY[@],$(PACKAGE_SUMMARY),g' \
 	   -e 's,[@]builddir[@],$(builddir),g' \
 	   -e 's,[@]prefix[@],$(prefix),g' \
 	   -e 's,[@]exec_prefix[@],$(exec_prefix),g' \
@@ -17,7 +18,7 @@ do_subst = $(SED) \
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libnpa.pc
-libnpa.pc:
+libnpa.pc: libnpa.pc.in
 	$(do_subst) < $(srcdir)/libnpa.pc.in > libnpa.pc
 
 win:
diff --git a/npa/libnpa.pc.in b/npa/libnpa.pc.in
index 9ff6050..1f27108 100644
--- a/npa/libnpa.pc.in
+++ b/npa/libnpa.pc.in
@@ -3,8 +3,8 @@ exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
 
-Name: lib@PACKAGE_NAME@
-Description: Library for the new German ID card (neuer Personalausweis, nPA)
+Name: @PACKAGE_NAME@
+Description: @PACKAGE_SUMMARY@
 Version: @VERSION@
 Requires: libeac
 Libs: -L${libdir} -lnpa @OPENSC_LIBS@