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-rw-r--r--Source/Utils/WarpXMovingWindow.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/Source/Utils/WarpXMovingWindow.cpp b/Source/Utils/WarpXMovingWindow.cpp
index 8435864b8..e0f4daff1 100644
--- a/Source/Utils/WarpXMovingWindow.cpp
+++ b/Source/Utils/WarpXMovingWindow.cpp
@@ -112,8 +112,8 @@ WarpX::MoveWindow (bool move_j)
// Shift each component of vector fields (E, B, j)
for (int dim = 0; dim < 3; ++dim) {
// Fine grid
- ParserWrapper<3> *Bfield_parser;
- ParserWrapper<3> *Efield_parser;
+ ParserWrapper<3> *Bfield_parser = nullptr;
+ ParserWrapper<3> *Efield_parser = nullptr;
bool use_Bparser = false;
bool use_Eparser = false;
if (B_ext_grid_s == "parse_b_ext_grid_function") {