diff -ru orig/t/sa_compile.t new/t/sa_compile.t
--- orig/t/sa_compile.t	2022-12-14 06:03:26.000000000 +0000
+++ new/t/sa_compile.t	2023-06-25 12:30:39.735577152 +0000
@@ -40,7 +40,7 @@
 
 # we now have an "installed" version we can run sa-compile with.  Ensure
 # sarun() will use it appropriately
-$scr = "$instdir/$temp_binpath/spamassassin";
+$scr = "$perl_cmd -T $instdir/$temp_binpath/spamassassin";
 $scr_localrules_args = $scr_cf_args = "";      # use the default rules dir, from our "install"
 
 &set_rules('
@@ -86,8 +86,8 @@
 # -------------------------------------------------------------------
 
 rmtree( glob "~/.spamassassin/sa-compile.cache". { safe => 1 }); # reset test
-system_or_die "TMP=$instdir TMPDIR=$instdir $instdir/$temp_binpath/sa-compile --quiet -p $cwd/$workdir/user.cf --keep-tmps -D 2>$instdir/sa-compile.debug";  # --debug
-$scr = "$instdir/$temp_binpath/spamassassin";
+system_or_die "TMP=$instdir TMPDIR=$instdir $perl_cmd -T $instdir/$temp_binpath/sa-compile --quiet -p $cwd/$workdir/user.cf --keep-tmps -D 2>$instdir/sa-compile.debug";  # --debug
+$scr = "$perl_cmd -T $instdir/$temp_binpath/spamassassin";
 $scr_localrules_args = $scr_cf_args = "";      # use the default rules dir, from our "install"
 
 %patterns = (