diff --git a/tools/rimage/src/manifest.c b/tools/rimage/src/manifest.c
index 40a85df47ab6..6f3a161e37a7 100644
--- a/tools/rimage/src/manifest.c
+++ b/tools/rimage/src/manifest.c
@@ -1730,10 +1730,10 @@ int resign_image(struct image *image)
 		goto out;
 	}
 
-	image->image_end = size;
+	image->image_end = size - i;
 
 	/* check that key size matches */
-	if (image->adsp->man_v2_5) {
+	if (image->adsp->man_v2_5 || image->adsp->man_ace_v1_5) {
 		key_size = 384;
 	} else {
 		key_size = 256;
@@ -1755,6 +1755,8 @@ int resign_image(struct image *image)
 		ret = ri_manifest_sign_v1_8(image);
 	else if (image->adsp->man_v2_5)
 		ret = ri_manifest_sign_v2_5(image);
+	else if (image->adsp->man_ace_v1_5)
+		ret = ri_manifest_sign_ace_v1_5(image);
 	else
 		ret = -EINVAL;
 
@@ -1771,6 +1773,13 @@ int resign_image(struct image *image)
 		goto out;
 	}
 
+	/* Rewrite content before CSE header */
+	size = fwrite(buffer, 1, i, image->out_fd);
+	if (size != i) {
+		ret = file_error("Extended manifest write error", image->out_file);
+		goto out;
+	}
+
 	man_write_fw_mod(image);
 
 out: