diff --git a/libfprint/drivers/uru4000.c b/libfprint/drivers/uru4000.c
index 56e5027..f11aa89 100644
--- a/libfprint/drivers/uru4000.c
+++ b/libfprint/drivers/uru4000.c
@@ -39,8 +39,6 @@
 #define DATABLK2_EXPECT	0xb1c0
 #define CAPTURE_HDRLEN	64
 #define IRQ_LENGTH		64
-#define IMG_WIDTH		384
-#define IMG_HEIGHT		289
 
 enum {
 	IRQDATA_SCANPWR_ON = 0x56aa,
@@ -292,8 +290,6 @@ static int capture(struct fp_img_dev *dev, gboolean unconditional,
 	/* remove header and shrink allocation */
 	g_memmove(img->data, img->data + CAPTURE_HDRLEN, image_size);
 	img = fpi_img_resize(img, image_size);
-	img->width = IMG_WIDTH;
-	img->height = IMG_HEIGHT;
 	img->flags = FP_IMG_V_FLIPPED | FP_IMG_H_FLIPPED | FP_IMG_COLORS_INVERTED;
 
 	*ret = img;
@@ -498,6 +494,9 @@ struct fp_img_driver uru4000_driver = {
 		.id_table = id_table,
 	},
 	.flags = FP_IMGDRV_SUPPORTS_UNCONDITIONAL_CAPTURE,
+	.img_height = 289,
+	.img_width = 384,
+
 	.init = dev_init,
 	.exit = dev_exit,
 	.await_finger_on = await_finger_on,
diff --git a/libfprint/fp_internal.h b/libfprint/fp_internal.h
index 537b0d9..47eea27 100644
--- a/libfprint/fp_internal.h
+++ b/libfprint/fp_internal.h
@@ -125,6 +125,8 @@ struct fp_driver {
 struct fp_img_driver {
 	struct fp_driver driver;
 	uint16_t flags;
+	int img_width;
+	int img_height;
 
 	/* Device operations */
 	int (*init)(struct fp_img_dev *dev, unsigned long driver_data);
diff --git a/libfprint/fprint.h b/libfprint/fprint.h
index 541e976..8a10a90 100644
--- a/libfprint/fprint.h
+++ b/libfprint/fprint.h
@@ -91,6 +91,8 @@ void fp_print_data_free(struct fp_print_data *data);
 /* Imaging devices */
 int fp_imgdev_capture(struct fp_img_dev *imgdev, int unconditional,
 	struct fp_img **image);
+int fp_imgdev_get_img_width(struct fp_img_dev *imgdev);
+int fp_imgdev_get_img_height(struct fp_img_dev *imgdev);
 
 /* Image handling */
 int fp_img_get_height(struct fp_img *img);
diff --git a/libfprint/imgdev.c b/libfprint/imgdev.c
index be48b86..e1f4c3a 100644
--- a/libfprint/imgdev.c
+++ b/libfprint/imgdev.c
@@ -61,6 +61,20 @@ static void img_dev_exit(struct fp_dev *dev)
 	g_free(imgdev);
 }
 
+API_EXPORTED int fp_imgdev_get_img_width(struct fp_img_dev *imgdev)
+{
+	struct fp_driver *drv = imgdev->dev->drv;
+	struct fp_img_driver *imgdrv = driver_to_img_driver(drv);
+	return imgdrv->img_width;
+}
+
+API_EXPORTED int fp_imgdev_get_img_height(struct fp_img_dev *imgdev)
+{
+	struct fp_driver *drv = imgdev->dev->drv;
+	struct fp_img_driver *imgdrv = driver_to_img_driver(drv);
+	return imgdrv->img_height;
+}
+
 API_EXPORTED int fp_imgdev_capture(struct fp_img_dev *imgdev,
 	int unconditional, struct fp_img **image)
 {
@@ -111,11 +125,14 @@ API_EXPORTED int fp_imgdev_capture(struct fp_img_dev *imgdev,
 	}
 
 	if (r == 0) {
-		if (*image == NULL) {
+		struct fp_img *img = *image;
+		if (img == NULL) {
 			fp_err("capture succeeded but no image returned?");
 			return -ENODATA;
 		}
-		if (!fpi_img_is_sane(*image)) {
+		img->width = imgdrv->img_width;
+		img->height = imgdrv->img_height;
+		if (!fpi_img_is_sane(img)) {
 			fp_err("image is not sane!");
 			return -EIO;
 		}