diff --git a/content/handlers/image/nssprite.c b/content/handlers/image/nssprite.c
index f149350fd..c9fe1b585 100644
--- a/content/handlers/image/nssprite.c
+++ b/content/handlers/image/nssprite.c
@@ -165,7 +165,7 @@ ro_sprite_error:
 	if (ctx != NULL) {
 		rosprite_destroy_mem_context(ctx);
 	}
-	content_broadcast_errorcode(c, NSERROR_UNKNOWN);
+	content_broadcast_errorcode(c, NSERROR_SPRITE_ERROR);
 
 	return false;
 }
diff --git a/utils/errors.h b/utils/errors.h
index ad8ae429a..9a0a9bc04 100644
--- a/utils/errors.h
+++ b/utils/errors.h
@@ -40,6 +40,7 @@ typedef enum {
 	NSERROR_GIF_ERROR,              /**< A GIF error occurred */
 	NSERROR_ICO_ERROR,              /**< A ICO error occurred */
 	NSERROR_PNG_ERROR,              /**< A PNG error occurred */
+	NSERROR_SPRITE_ERROR,           /**< A RISC OS Sprite error occurred */
 	NSERROR_SVG_ERROR,              /**< A SVG error occurred */
 	NSERROR_BAD_ENCODING,           /**< The character set is unknown */
 	NSERROR_NEED_DATA,              /**< More data needed */
diff --git a/utils/messages.c b/utils/messages.c
index 0ff90b708..5f9420443 100644
--- a/utils/messages.c
+++ b/utils/messages.c
@@ -370,6 +370,10 @@ const char *messages_get_errorcode(nserror code)
 		/* A PNG error occurred */
 		return messages_get_ctx("PNGError", messages_hash);
 
+	case NSERROR_SPRITE_ERROR:
+		/* A SVG error occurred */
+		return messages_get_ctx("SpriteError", messages_hash);
+
 	case NSERROR_SVG_ERROR:
 		/* A SVG error occurred */
 		return messages_get_ctx("SVGError", messages_hash);