diff --git a/src/main/java/org/apposed/appose/mamba/Mamba.java b/src/main/java/org/apposed/appose/mamba/Mamba.java
index 6aa4349..8f09a0c 100644
--- a/src/main/java/org/apposed/appose/mamba/Mamba.java
+++ b/src/main/java/org/apposed/appose/mamba/Mamba.java
@@ -424,7 +424,7 @@ public void createWithYaml( final File envDir, final String envYaml ) throws IOE
 	{
 		checkMambaInstalled();
 		runMamba("env", "create", "--prefix",
-				envDir.getAbsolutePath(), "-f", envYaml, "-y", "-vv" );
+				envDir.getAbsolutePath(), "-f", envYaml, "-y", "-vv", "--no-condarc" );
 	}
 
 	/**