diff --git a/src/libcamera/pipeline/rpi/pisp/meson.build b/src/libcamera/pipeline/rpi/pisp/meson.build
index 178df94c2..642080014 100644
--- a/src/libcamera/pipeline/rpi/pisp/meson.build
+++ b/src/libcamera/pipeline/rpi/pisp/meson.build
@@ -5,7 +5,9 @@ libcamera_internal_sources += files([
 ])
 
 librt = cc.find_library('rt', required : true)
-libpisp_dep = dependency('libpisp', fallback : ['libpisp', 'libpisp_dep'])
+libpisp_dep = dependency('libpisp',
+                         fallback : ['libpisp', 'libpisp_dep'],
+                         default_options : ['werror=false'])
 
 libcamera_deps += [libpisp_dep, librt]