diff --git a/src/particles/elements/Quad.H b/src/particles/elements/Quad.H
index fb7744224..395e181c9 100644
--- a/src/particles/elements/Quad.H
+++ b/src/particles/elements/Quad.H
@@ -227,7 +227,7 @@ namespace impactx
             // initialize linear map matrix elements
             Map6x6 R = Map6x6::Identity();
 
-            if (m_k > 0.0) {  
+            if (m_k > 0.0) {
                 R(1,1) = std::cos(omega*slice_ds);
                 R(1,2) = std::sin(omega*slice_ds)/omega;
                 R(2,1) = -omega*std::sin(omega*slice_ds);