diff --git a/meta/recipes-devtools/tcltk/tcl/run-ptest b/meta/recipes-devtools/tcltk/tcl/run-ptest
index c485e535c71..8a4edfdda39 100644
--- a/meta/recipes-devtools/tcltk/tcl/run-ptest
+++ b/meta/recipes-devtools/tcltk/tcl/run-ptest
@@ -19,6 +19,9 @@ SKIP="$SKIP \*io-46.1"
 SKIP="$SKIP io-13.6"
 # 14825
 SKIP="$SKIP socket-\* socket_inet-\*"
+# These tests seem to be unreliable:
+# https://core.tcl-lang.org/tcl/tktview/3764f4e81f1483ab554c6d60f8483887bde28221
+SKIP="$SKIP http11-\*"
 
 for i in tests/*.test; do
     i=$(basename $i)