diff --git a/meson_options.txt b/meson_options.txt
index 2c80ad8b..03110587 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -37,7 +37,7 @@ option('lc-compliance',
 
 option('pipelines',
         type : 'array',
-        choices : ['ipu3', 'raspberrypi', 'rkisp1', 'simple', 'uvcvideo', 'vimc'],
+        choices : ['ipu3', 'raspberrypi', 'rkisp1', 'simple', 'uvcvideo', 'vimc', 'isp'],
         description : 'Select which pipeline handlers to include')
 
 option('qcam',
diff --git a/src/libcamera/pipeline/isp/meson.build b/src/libcamera/pipeline/isp/meson.build
new file mode 100644
index 00000000..562b83b5
--- /dev/null
+++ b/src/libcamera/pipeline/isp/meson.build
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: CC0-1.0
+
+libcamera_sources += files([
+    'isp.cpp',
+    'isp_processing.cpp',
+])