diff --git a/docker/Dockerfile.tbtamr-0.9.9 b/docker/Dockerfile.tbtamr-0.9.9
index 6c03cad..79c960f 100644
--- a/docker/Dockerfile.tbtamr-0.9.9
+++ b/docker/Dockerfile.tbtamr-0.9.9
@@ -27,7 +27,7 @@ RUN curl -Ls https://micro.mamba.pm/api/micromamba/linux-64/latest| tar -xvj bin
 RUN micromamba install --yes --name base --channel conda-forge --channel bioconda jq requests xlsxwriter tbtamr
 RUN micromamba install --yes --name base --channel conda-forge --channel bioconda gatk4 
 RUN micromamba install --yes --name base --channel conda-forge --channel bioconda samtools 
-RUN micromamba install --yes bioconda freebayes==1.3.6 #STDERR in current version of freebayes 
+RUN micromamba install --yes --name base --channel conda-forge --channel bioconda freebayes==1.3.6 #STDERR in current version of freebayes 
 RUN micromamba clean --all --yes
 
 # hardcode 'base' env bin into PATH, so conda env does not have to be "activated" at run time