diff --git a/corrlib/toml.py b/corrlib/toml.py
index 93ba0f3..14ec058 100644
--- a/corrlib/toml.py
+++ b/corrlib/toml.py
@@ -192,11 +192,26 @@ def import_toml(path: Path, file: str, copy_file: bool=True) -> None:
 
         elif project['code'] == 'openQCD':
             if md['measurement'] == 'ms1':
-                parameter_file = md['param_file']
-                if parameter_file.endswith(".ms1.in"):
-                    param = openQCD.load_ms1_infile(path, uuid, parameter_file)
-                elif parameter_file.endswith(".ms1.par"):
-                    param = openQCD.load_ms1_parfile(path, uuid, parameter_file)
+                if 'param_file' in md.keys():
+                    parameter_file = md['param_file']
+                    if parameter_file.endswith(".ms1.in"):
+                        param = openQCD.load_ms1_infile(path, uuid, parameter_file)
+                    elif parameter_file.endswith(".ms1.par"):
+                        param = openQCD.load_ms1_parfile(path, uuid, parameter_file)
+                else:
+                    # Temporary solution
+                    parameters = {}
+                    parameters["rand"] = {}
+                    for nrw in range(1):
+                        if "nsrc" not in parameters["rw_fcts"][nrw]:
+                            parameters["rw_fcts"][nrw]["nsrc"] = 1
+                        if "mu" not in parameters["rw_fcts"][nrw]:
+                            parameters["rw_fcts"][nrw]["mu"] = "None"
+                        if "np" not in parameters["rw_fcts"][nrw]:
+                            parameters["rw_fcts"][nrw]["np"] = "None"
+                        if "irp" not in parameters["rw_fcts"][nrw]:
+                            parameters["rw_fcts"][nrw]["irp"] = "None"
+                    param = parameters
                 param['type'] = 'ms1'
                 measurement = openQCD.read_rwms(path, uuid, md['path'], param, md["prefix"], version=md["version"], names=md['names'], files=md['files'])
             elif md['measurement'] == 't0':