diff --git a/epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/output.py b/epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/output.py
index e54290d5a7..f2d7189ddd 100644
--- a/epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/output.py
+++ b/epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/output.py
@@ -264,7 +264,7 @@ def finalize(self, matrix_element, cmdhistory, MG5options, outputflag):
 done"""
             try:
                 result = subprocess.run(
-                    ["bash", "-lc", patch_coupl_write],
+                    ["bash", "-c", patch_coupl_write],
                     cwd=pjoin(self.dir_path, "Source", "MODEL"),
                     text=True,
                     capture_output=True,