diff --git a/pages/containers/containers-3-building-images.md b/pages/containers/containers-3-building-images.md
index 79c63636..a9287a71 100644
--- a/pages/containers/containers-3-building-images.md
+++ b/pages/containers/containers-3-building-images.md
@@ -286,8 +286,8 @@ can take a look at an example below:
 
 ```no-highlight
 FROM my_docker_image:latest
-RUN mamba config --add channels bioconda && \
-    mamba config --add channels conda-forge && \
+RUN conda config --add channels bioconda && \
+    conda config --add channels conda-forge && \
     mamba install -n base fastqc=0.11.9 sra-tools=2.10.1
 COPY run_qc.sh .
 CMD bash run_qc.sh