diff --git a/snakemake/deployment/conda.py b/snakemake/deployment/conda.py
index d409e6952..956be88f0 100644
--- a/snakemake/deployment/conda.py
+++ b/snakemake/deployment/conda.py
@@ -509,8 +509,7 @@ def create(self, dryrun=False):
                 # remove potential partially installed environment
                 shutil.rmtree(env_path, ignore_errors=True)
                 raise CreateCondaEnvironmentException(
-                    "Could not create conda environment from {}:\n".format(env_file)
-                    + e.output
+                    f"Could not create conda environment from {env_file}:\nCommand:\n{e.cmd}\nOutput:\n{e.output}"
                 )
 
         if tmp_env_file: