diff --git t/src/atomic.t t/src/atomic.t
index b34a0d9..cf4381d 100644
--- t/src/atomic.t
+++ t/src/atomic.t
@@ -27,7 +27,9 @@ Tests atomic operation support.
 
 # generic tests
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 4;
 
diff --git t/src/basic.t t/src/basic.t
index e90cd7f..21a972b 100644
--- t/src/basic.t
+++ t/src/basic.t
@@ -6,9 +6,12 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 2;
 
diff --git t/src/embed.t t/src/embed.t
index f6437f6..4248b49 100644
--- t/src/embed.t
+++ t/src/embed.t
@@ -9,7 +9,9 @@ use Parrot::Test;
 use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 16;
 
diff --git t/src/embed/api.t t/src/embed/api.t
index caaa397..abea3a2 100644
--- t/src/embed/api.t
+++ t/src/embed/api.t
@@ -6,10 +6,13 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 use Parrot::Test::Util 'create_tempfile';
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 8;
 
diff --git t/src/exit.t t/src/exit.t
index 2113399..d3dc0c4 100644
--- t/src/exit.t
+++ t/src/exit.t
@@ -6,9 +6,12 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 1;
 
diff --git t/src/extend.t t/src/extend.t
index 48b8467..e7faa4c 100644
--- t/src/extend.t
+++ t/src/extend.t
@@ -12,7 +12,9 @@ use Parrot::Test;
 use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 24;
 
diff --git t/src/extend_vtable.t t/src/extend_vtable.t
index 7142347..5d3f9e0 100644
--- t/src/extend_vtable.t
+++ t/src/extend_vtable.t
@@ -6,9 +6,13 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
+
 
 plan tests => 139;
 
diff --git t/src/misc.t t/src/misc.t
index 583ea04..34b92f9 100644
--- t/src/misc.t
+++ t/src/misc.t
@@ -6,9 +6,12 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 4;
 
diff --git t/src/pointer_array.t t/src/pointer_array.t
index 72395b8..0441ef2 100644
--- t/src/pointer_array.t
+++ t/src/pointer_array.t
@@ -11,7 +11,9 @@ use Parrot::Test;
 use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 =head1 NAME
 
diff --git t/src/warnings.t t/src/warnings.t
index 28f797c..dfc4e56 100644
--- t/src/warnings.t
+++ t/src/warnings.t
@@ -6,9 +6,12 @@ use warnings;
 use lib qw( . lib ../lib ../../lib );
 use Test::More;
 use Parrot::Test;
+use Parrot::Config;
 use File::Spec::Functions;
 
-plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile(qw/src parrot_config.o/);
+my $parrot_config = "parrot_config" . $PConfig{o};
+
+plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);
 
 plan tests => 2;