1 files changed, 9 insertions, 2 deletions
diff --git a/Source/Initialization/InjectorMomentum.cpp b/Source/Initialization/InjectorMomentum.cpp
index 8fadf0c4b..edbba8ac5 100644
--- a/Source/Initialization/InjectorMomentum.cpp
+++ b/Source/Initialization/InjectorMomentum.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2019-2020 Axel Huebl, Maxence Thevenet, Revathi Jambunathan
+ * Weiqun Zhang
+ *
+ * This file is part of WarpX.
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #include <InjectorMomentum.H>
 #include <PlasmaInjector.H>
 
@@ -30,9 +37,9 @@ InjectorMomentum::sharedMemoryNeeded () const noexcept
     {
     case Type::parser:
     {
-        // For parser injector, the 3D position of each particle
+        // For parser injector, the 3D position of each particle and time, t,
         // is stored in shared memory.
-        return amrex::Gpu::numThreadsPerBlockParallelFor() * sizeof(double) * 3;
+        return amrex::Gpu::numThreadsPerBlockParallelFor() * sizeof(double) * 4;
     }
     default:
         return 0;