diff --git a/build.pl b/build.pl
index e114ad6..497c7a6 100755
--- a/build.pl
+++ b/build.pl
@@ -110,7 +110,7 @@ my $builder = IO::Async::Function->new(
         my $expanded_version = $version =~ s/(?<major>5)\.(?<minor>\d+)\.(?<patch>\d+)/sprintf "%d.%03d.%03d", $+{major}, $+{minor}, $+{patch}/er;
 
         # TODO other calcs for image names
-        my $tags = ["$push_repo/$version-$options-$os_base$suffix$arch_suffix", "$push_repo/$expanded_version-$options-$os_base$suffix$arch_suffix"];
+        my $tags = ["${push_repo}:$version-$options-$os_base$suffix$arch_suffix", "${push_repo}:$expanded_version-$options-$os_base$suffix$arch_suffix"];
         
         my $build_date = Time::Piece::gmtime()->datetime();