diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9f3dd9290f8ec1fc483e27e6bad64ac22da1825d..66e0a6f867b662dac77279f27a6b8a482477cf1f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -111,7 +111,7 @@ conda_build:
     - . "/builds/miniconda3/etc/profile.d/conda.sh"
     - conda activate base
     - mkdir conda-bld
-    - mamba build . -c gnomon -c dtk-forge6 -c mosaic -c morpheme -c conda-forge --output-folder conda-bld/
+    - mamba mambabuild . -c gnomon -c dtk-forge6 -c mosaic -c morpheme -c conda-forge --output-folder conda-bld/
   artifacts:
     paths:
       - conda-bld