--- sccs/sccs/cmd/src/delta.c.orig	2018-12-18 01:10:12.000000000 +0400
+++ sccs/sccs/cmd/src/delta.c	2020-09-02 11:59:20.000000000 +0400
@@ -81,7 +81,7 @@
 static char	BDiffpgm[]  =   NOGETTEXT("/usr/bin/bdiff");
 static char	BDiffpgm2[]  =   NOGETTEXT("/bin/bdiff");
 #if	defined(PROTOTYPES) && defined(INS_BASE)
-static char	Diffpgmp[]  =   NOGETTEXT(INS_BASE  "/" SCCS_BIN_PRE "bin/" "diff");
+static char	Diffpgmp[]  =   NOGETTEXT(INS_BASE  "/" SCCS_BIN_PRE "libexec/sccs/" "diff");
 #else
 static char	Diffpgmp[]  =   NOGETTEXT("/usr/ccs/bin/diff");
 #endif