diff --git a/pypcc/pypcc.py b/pypcc/pypcc.py
index dcbaba6db7871284103b4499e3838e9dff50a1ba..29b105398d1717e9b5b97ed29e7a920664247ac1 100755
--- a/pypcc/pypcc.py
+++ b/pypcc/pypcc.py
@@ -78,7 +78,7 @@ def main():
         opcuaserv.AddVarR("TR_software_version_R",git_hash+"_"+args.config,[],False)
         for i,name in enumerate(I2Cports):
             RCU_I2C=I2Cclients[i]
-            RCU_conf=yamlreader.yamlreader(RCU_I2C,yamlfile=name)
+            RCU_conf=yamlreader.yamlreader(RCU_I2C,yamlfile=f"/etc/hwtr/{name}.yaml")
             RCU_conf.AddVars(opcuaserv.AddVarR,opcuaserv.AddVarW)
             RCU_conf.AddMethod(opcuaserv.Addmethod)
             RCU_conf.CallInit();