diff --git a/lib/galaxy/tools/deps/conda_util.py b/lib/galaxy/tools/deps/conda_util.py
index 786f0f401d6..34b36a0df55 100644
--- a/lib/galaxy/tools/deps/conda_util.py
+++ b/lib/galaxy/tools/deps/conda_util.py
@@ -307,7 +307,7 @@ def hash_conda_packages(conda_packages, conda_target=None):
 # these commands as Python
 def install_conda(conda_context=None):
     conda_context = _ensure_conda_context(conda_context)
-    f, script_path = tempfile.mkstemp(suffix=".bash", prefix="conda_install")
+    f, script_path = tempfile.mkstemp(suffix=".sh", prefix="conda_install")
     os.close(f)
     download_cmd = " ".join(commands.download_command(conda_link(), to=script_path, quote_url=True))
     install_cmd = "bash '%s' -b -p '%s'" % (script_path, conda_context.conda_prefix)