diff --git a/configure b/configure
index a112a4c4ce7dfa6aca1e89d3ba1f2a331b738cd3..2c30bb2db3f69ae3d50986603ba2d7860c570cca 100755
--- a/configure
+++ b/configure
@@ -490,6 +490,7 @@ post_process_cmdline() {
     soft_enable ext_delta_q
     soft_enable loopfiltering_across_tiles
     soft_enable ec_smallmul
+    soft_enable var_tx
 
     # Backwards/jenkins compatibility with --enable-aom-highbitdepth
     enabled aom_highbitdepth && enable_feature highbitdepth