diff --git a/shells/ksh-devel/files/patch-src_cmd_INIT_mamake.c b/shells/ksh-devel/files/patch-src_cmd_INIT_mamake.c
new file mode 100644
index 000000000000..a589e3638358
--- /dev/null
+++ b/shells/ksh-devel/files/patch-src_cmd_INIT_mamake.c
@@ -0,0 +1,18 @@
+--- src/cmd/INIT/mamake.c.orig	2026-02-25 16:06:24.000000000 -0800
++++ src/cmd/INIT/mamake.c	2026-03-01 08:17:37.760046000 -0800
+@@ -3011,15 +3011,6 @@
+ 		state.maxjobs = 0;
+ 
+ 	/*
+-	 * standards compliance for shell actions
+-	 */
+-
+-	setenv("POSIXLY_CORRECT", "y", 1);
+-#if __QNX__
+-	setenv("POSIX_STRICT", "y", 1);  /* required for /bin/cp on QNX to update the target's last-modified date */
+-#endif
+-
+-	/*
+ 	 * load the environment
+ 	 */
+