diff --git a/src/textprop.c b/src/textprop.c
index 2145db2..0645e1f 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1350,8 +1350,9 @@
 	if (res.dirty)
 	{
 	    // Save for undo if requested and not done yet.
-	    if ((flags & APC_SAVE_FOR_UNDO) && !dirty)
-		u_savesub(lnum);
+	    if ((flags & APC_SAVE_FOR_UNDO) && !dirty
+						    && u_savesub(lnum) == FAIL)
+		return FALSE;
 	    dirty = TRUE;
 	}
 	if (res.can_drop)
diff --git a/src/version.c b/src/version.c
index 82eb990..cac669e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1092,
+/**/
     1091,
 /**/
     1090,