1 files changed, 2 insertions, 1 deletions
diff --git a/Src/prompt.c b/Src/prompt.c
index 3b16a8e44..b05bbf110 100644
--- a/Src/prompt.c
+++ b/Src/prompt.c
@@ -749,7 +749,8 @@ stradd(char *d)
 mod_export void
 tsetcap(int cap, int flag)
 {
-    if (!(termflags & TERM_SHORT) && tcstr[cap]) {
+    if (tccan(cap) && !isset(SINGLELINEZLE) &&
+        !(termflags & (TERM_NOUP|TERM_BAD|TERM_UNKNOWN))) {
 	switch(flag) {
 	case -1:
 	    tputs(tcstr[cap], 1, putraw);