3 files changed, 20 insertions, 0 deletions
diff --git a/lib/base/t/compile-time.t b/lib/base/t/compile-time.t
index 2be51f9de5..f7ffd1f53b 100644
--- a/lib/base/t/compile-time.t
+++ b/lib/base/t/compile-time.t
@@ -1,5 +1,12 @@
 #!/usr/bin/perl -w
 
+BEGIN {
+   if( $ENV{PERL_CORE} ) {
+        chdir 't' if -d 't';
+        @INC = qw(../lib);
+    }
+}
+
 use strict;
 use Test::More tests => 3;
 
diff --git a/lib/base/t/fields-5.6.0.t b/lib/base/t/fields-5.6.0.t
index 93bca34e2e..819c335021 100644
--- a/lib/base/t/fields-5.6.0.t
+++ b/lib/base/t/fields-5.6.0.t
@@ -7,6 +7,13 @@ if( $] >= 5.009 ) {
     exit;
 }
 
+BEGIN {
+   if( $ENV{PERL_CORE} ) {
+        chdir 't' if -d 't';
+        @INC = qw(../lib);
+    }
+}
+
 use strict;
 use vars qw($Total_tests);
 
diff --git a/lib/base/t/fields-5.8.0.t b/lib/base/t/fields-5.8.0.t
index 2da141274f..af39d0bde2 100644
--- a/lib/base/t/fields-5.8.0.t
+++ b/lib/base/t/fields-5.8.0.t
@@ -7,6 +7,12 @@ if( $] >= 5.009 ) {
     exit;
 }
 
+BEGIN {
+   if( $ENV{PERL_CORE} ) {
+        chdir 't' if -d 't';
+        @INC = qw(../lib);
+    }
+}
 
 my $w;