diff --git a/Configure.pl b/Configure.pl
index bc0e286eb24..83128388a3a 100755
--- a/Configure.pl
+++ b/Configure.pl
@@ -166,7 +166,7 @@
         }
     }
 
-    for my $target (qw/common_bootstrap_sources moar_core_sources moar_core_d_sources jvm_core_sources jvm_core_d_sources/) {
+    for my $target (qw/common_bootstrap_sources js_core_sources moar_core_sources moar_core_d_sources jvm_core_sources jvm_core_d_sources/) {
         open my $FILELIST, '<', "tools/build/$target"
             or die "Cannot read 'tools/build/$target': $!";
         my @lines;