diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2404f75..9517b02 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,6 +20,7 @@ jobs:
       run: |
            set -ex
            git submodule update --init --recursive
+           sed -i -e 's|AUDIO_BLOCK_SAMPLES|n_samples|g' Synth_Dexed/src/dexed.cpp # FIXME: Remove this line once upstreamed
     - name: Install toolchains
       run: |
            set -ex