diff --git a/Source/WarpX.H b/Source/WarpX.H
index 461c46926e0..73998d6faf2 100644
--- a/Source/WarpX.H
+++ b/Source/WarpX.H
@@ -1604,7 +1604,7 @@ private:
      */
     void ExplicitFillBoundaryEBUpdateAux ();
 
-    void PushPSATD (amrex::Real cur_time);
+    void PushPSATD (amrex::Real start_time);
 
 #ifdef WARPX_USE_FFT