--- bin/aclocal.in
+++ bin/aclocal.in
@@ -1,1 +1,1 @@
-#!@PERL@ -w
+#!/usr/bin/perl -w
--- bin/automake.in
+++ bin/automake.in
@@ -1,1 +1,1 @@
-#!@PERL@ -w
+#!/usr/bin/perl -w
--- Makefile.in
+++ Makefile.in
@@ -524,7 +524,7 @@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
-PERL = @PERL@
+PERL = /usr/bin/perl
 RELEASE_YEAR = @RELEASE_YEAR@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
--- t/ax/test-defs.in
+++ t/ax/test-defs.in
@@ -97,7 +97,7 @@
 # User can override various tools used.  Prefer overriding specific for
 # that automake testsuite, if they are available.
 AWK=${AM_TESTSUITE_AWK-${AWK-'@AWK@'}}
-PERL=${AM_TESTSUITE_PERL-${PERL-'@PERL@'}}
+PERL=${AM_TESTSUITE_PERL-${PERL-'/usr/bin/perl'}}
 MAKE=${AM_TESTSUITE_MAKE-${MAKE-'make'}}
 YACC=${AM_TESTSUITE_YACC-${YACC-'@YACC@'}}
 LEX=${AM_TESTSUITE_LEX-${LEX-'@LEX@'}}
