diff --git a/c/meson.build b/c/meson.build
index 49daafd..241f924 100644
--- a/c/meson.build
+++ b/c/meson.build
@@ -17,6 +17,7 @@ openblas = dependency('openblas', required: true)
 # Sources
 srcs = files(
   '../src/linpack.f',
+  '../src/blas_interfaces.f90',
   '../src/odrpack_kinds.F90',
   '../src/odrpack_core.f90',
   '../src/odrpack.f90',
diff --git a/meson.build b/meson.build
index b73c1c4..3d56297 100644
--- a/meson.build
+++ b/meson.build
@@ -15,6 +15,7 @@ odrpack_lic = files(
 # Sources
 srcs = files(
   'src/linpack.f',
+  'src/blas_interfaces.f90',
   'src/odrpack_kinds.F90',
   'src/odrpack_core.f90',
   'src/odrpack.f90',