diff --git a/libvips/create/create.c b/libvips/create/create.c
index d1e576cc..93c35796 100644
--- a/libvips/create/create.c
+++ b/libvips/create/create.c
@@ -138,7 +138,6 @@ vips_create_operation_init( void )
 	extern GType vips_mask_ideal_ring_get_type( void ); 
 	extern GType vips_mask_ideal_band_get_type( void ); 
 	extern GType vips_mask_fractal_get_type( void ); 
-	extern GType vips_matrixinvert_get_type( void );
 	extern GType vips_fractsurf_get_type( void ); 
 	extern GType vips_worley_get_type( void ); 
 	extern GType vips_perlin_get_type( void ); 
@@ -169,7 +168,6 @@ vips_create_operation_init( void )
 	vips_mask_gaussian_ring_get_type(); 
 	vips_mask_gaussian_band_get_type(); 
 	vips_mask_fractal_get_type(); 
-	vips_matrixinvert_get_type();
 	vips_fractsurf_get_type(); 
 	vips_worley_get_type(); 
 	vips_perlin_get_type(); 
diff --git a/libvips/mosaicing/mosaicing.c b/libvips/mosaicing/mosaicing.c
index 3a508754..5689cb7e 100644
--- a/libvips/mosaicing/mosaicing.c
+++ b/libvips/mosaicing/mosaicing.c
@@ -100,10 +100,12 @@ vips_mosaicing_operation_init( void )
 	extern GType vips_mosaic1_get_type( void ); 
 	extern GType vips_match_get_type( void ); 
 	extern GType vips_globalbalance_get_type( void ); 
+	extern GType vips_matrixinvert_get_type( void );
 
 	vips_merge_get_type(); 
 	vips_mosaic_get_type(); 
 	vips_mosaic1_get_type(); 
+	vips_matrixinvert_get_type();
 	vips_match_get_type(); 
 	vips_globalbalance_get_type(); 
 }
diff --git a/po/POTFILES.in b/po/POTFILES.in
index bf9b3095..2b1843eb 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -209,7 +209,6 @@ libvips/create/mask_gaussian_ring.c
 libvips/create/mask_ideal_band.c
 libvips/create/mask_ideal.c
 libvips/create/mask_ideal_ring.c
-libvips/create/matrixinvert.c
 libvips/create/perlin.c
 libvips/create/point.c
 libvips/create/sines.c
@@ -364,6 +363,7 @@ libvips/mosaicing/im_tbcalcon.c
 libvips/mosaicing/im_tbmerge.c
 libvips/mosaicing/im_tbmosaic.c
 libvips/mosaicing/match.c
+libvips/mosaicing/matrixinvert.c
 libvips/mosaicing/merge.c
 libvips/mosaicing/mosaic1.c
 libvips/mosaicing/mosaic.c
diff --git a/po/README b/po/README
index 741545ec..38f77405 100644
--- a/po/README
+++ b/po/README
@@ -36,6 +36,7 @@ find libvips tools cplusplus \
   sort -t '\0' -n | \
   awk -F '\0' '{print $3}' >> po/POTFILES.in
 
+cd vips-8.x/po
 intltool-update --pot
 
 	make a new vips8.x.pot translation template from the sources