diff --git a/vips.go b/vips.go
index fc8bc7c..9fcbc5b 100644
--- a/vips.go
+++ b/vips.go
@@ -437,7 +437,7 @@ func vipsGaussianBlur(image *C.VipsImage, o GaussianBlur) (*C.VipsImage, error)
 	var out *C.VipsImage
 	defer C.g_object_unref(C.gpointer(image))
 
-	err := C.vips__gaussblur(image, &out, C.double(o.Sigma), C.double(o.MinAmpl))
+	err := C.vips_gaussblur_bridge(image, &out, C.double(o.Sigma), C.double(o.MinAmpl))
 	if err != 0 {
 		return nil, catchVipsError()
 	}
diff --git a/vips.h b/vips.h
index e27066c..84f1680 100644
--- a/vips.h
+++ b/vips.h
@@ -16,7 +16,7 @@
  */
 
 #if (VIPS_MAJOR_VERSION == 7 && VIPS_MINOR_VERSION < 41)
-/* we need math.h for ceil() in vips__gaussblur */
+/* we need math.h for ceil() in vips_gaussblur_bridge */
 #include <math.h>
 
 #define VIPS_ANGLE_D0 VIPS_ANGLE_0
@@ -326,7 +326,7 @@ vips_watermark(VipsImage *in, VipsImage **out, WatermarkTextOptions *to, Waterma
 }
 
 int
-vips__gaussblur(VipsImage *in, VipsImage **out, double sigma, double min_ampl) {
+vips_gaussblur_bridge(VipsImage *in, VipsImage **out, double sigma, double min_ampl) {
 #if (VIPS_MAJOR_VERSION == 7 && VIPS_MINOR_VERSION < 41)
 	return vips_gaussblur(in, out, ceil(sigma), NULL);
 #else