diff --git a/src/Mod/Fem/femsolver/run.py b/src/Mod/Fem/femsolver/run.py
index 6601aab848..c96e6bde6e 100644
--- a/src/Mod/Fem/femsolver/run.py
+++ b/src/Mod/Fem/femsolver/run.py
@@ -163,7 +163,7 @@ def _createMachine(solver, path, testmode):
 
 
 def _getTempDir(solver):
-    return tempfile.mkdtemp(prefix="fem")
+    return tempfile.mkdtemp(prefix="fcfemsolv_")
 
 
 def _getBesideDir(solver):