diff --git a/plug-ins/gimpressionist/Makefile.am b/plug-ins/gimpressionist/Makefile.am
index 61dd3cadc1..62ac9c6183 100644
--- a/plug-ins/gimpressionist/Makefile.am
+++ b/plug-ins/gimpressionist/Makefile.am
@@ -38,7 +38,7 @@ gimpressionist_sources = \
 	gimpressionist.h	\
 	globals.c		\
 	infile.h        	\
-	orientation.h       \
+	orientation.h		\
 	orientation.c		\
 	orientmap.c		\
 	paper.c			\