diff --git a/GALAHAD.jl/src/GALAHAD.jl b/GALAHAD.jl/src/GALAHAD.jl
index 16607ef4dc..1ac6508a17 100644
--- a/GALAHAD.jl/src/GALAHAD.jl
+++ b/GALAHAD.jl/src/GALAHAD.jl
@@ -132,7 +132,7 @@ include("wrappers/llsr.jl")
 # llst requires sbls, sls, sils, uls, gls, ir.
 include("wrappers/llst.jl")
 
-# bllsb requires fdc, sls, uls, fit, roots, cro, rpd, ir.
+# bllsb requires fdc, sbls, sls, sils, uls, fit, roots, cro, rpd, ir.
 include("wrappers/bllsb.jl")
 
 end # module GALAHAD
diff --git a/src/bllsb/meson.build b/src/bllsb/meson.build
index 8475c85786..615145695b 100644
--- a/src/bllsb/meson.build
+++ b/src/bllsb/meson.build
@@ -9,7 +9,8 @@ if build_pythoniface
                                             '../fdc/Python/fdc_pyiface.c','../sls/Python/sls_pyiface.c',
                                             '../fit/Python/fit_pyiface.c','../roots/Python/roots_pyiface.c',
                                             '../cro/Python/cro_pyiface.c','../rpd/Python/rpd_pyiface.c',
-                                            '../ir/Python/ir_pyiface.c','../uls/Python/uls_pyiface.c')]]
+                                            '../ir/Python/ir_pyiface.c','../uls/Python/uls_pyiface.c',
+                                            '../sils/Python/sils_pyiface.c','../sbls/Python/sbls_pyiface.c')]]
 endif
 
 libgalahad_cutest_src += files('usebllsb.F90')