diff --git a/Makefile.in b/Makefile.in
index 0f06561..0d18f05 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -4502,6 +4502,7 @@
MagickWand/montage.h \
MagickWand/operation.c \
MagickWand/operation.h \
+ MagickWand/operation-private.h \
MagickWand/pixel-iterator.c \
MagickWand/pixel-iterator.h \
MagickWand/pixel-wand.c \
@@ -4548,6 +4549,7 @@
MAGICKWAND_NOINST_HDRS = \
MagickWand/mogrify-private.h \
MagickWand/magick-wand-private.h \
+ MagickWand/operation-private.h \
MagickWand/pixel-wand-private.h \
MagickWand/script-token.h \
MagickWand/studio.h \