diff --git a/m4/libnfc_check_pcsc.m4 b/m4/libnfc_check_pcsc.m4
index 94a0ae5..990a3ff 100644
--- a/m4/libnfc_check_pcsc.m4
+++ b/m4/libnfc_check_pcsc.m4
@@ -10,6 +10,7 @@ AC_DEFUN([LIBNFC_CHECK_PCSC],
         AC_MSG_CHECKING(for PC/SC)
         libpcsclite_LIBS="-Wl,-framework,PCSC"
         libpcsclite_CFLAGS="-I/System/Library/Frameworks/PCSC.framework/Headers"
+        HAVE_PCSC=1
         AC_MSG_RESULT(yes: darwin PC/SC framework)
       ;;
       *)