diff --git a/st.c b/st.c
index fadacf2..1be93f2 100644
--- a/st.c
+++ b/st.c
@@ -2524,7 +2524,11 @@ csihandle(void)
 		break;
 	#endif // CSI_22_23_PATCH | SIXEL_PATCH
 	case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
-		tcursor(CURSOR_LOAD);
+		if (csiescseq.priv) {
+			goto unknown;
+		} else {
+			tcursor(CURSOR_LOAD);
+		}
 		break;
 	case ' ':
 		switch (csiescseq.mode[1]) {