diff --git a/wiringPi/Makefile.am b/wiringPi/Makefile.am
index df20200..aa0df83 100644
--- a/wiringPi/Makefile.am
+++ b/wiringPi/Makefile.am
@@ -46,7 +46,7 @@ libwiringPi_la_SOURCES = \
 
 libwiringPi_la_CFLAGS = \
 	@EXTRA_CFLAGS@ \
-	$(LIBCRYPT_CFLAGS) \
+	$(LIBCRYPT_CFLAGS)
 
 libwiringPi_la_LDFLAGS = \
 	-version-info @LIBWIRINGPI_VERSION@ \