diff --git a/Source/Diffusion/DiffusionSrcForState_N.cpp b/Source/Diffusion/DiffusionSrcForState_N.cpp
index f9cce5b18..5056a304b 100644
--- a/Source/Diffusion/DiffusionSrcForState_N.cpp
+++ b/Source/Diffusion/DiffusionSrcForState_N.cpp
@@ -134,7 +134,7 @@ DiffusionSrcForState_N (const amrex::Box& bx, const amrex::Box& domain,
     }
     Vector<int> eddy_diff_idx{EddyDiff::Theta_h, EddyDiff::KE_h, EddyDiff::QKE_h, EddyDiff::Scalar_h, EddyDiff::Q1_h, EddyDiff::Q2_h, EddyDiff::Q3_h};
     Vector<int> eddy_diff_idy{EddyDiff::Theta_h, EddyDiff::KE_h, EddyDiff::QKE_h, EddyDiff::Scalar_h, EddyDiff::Q1_h, EddyDiff::Q2_h, EddyDiff::Q3_h};
-    Vector<int> eddy_diff_idz{EddyDiff::Theta_v, EddyDiff::KE_v, EddyDiff::QKE_v, EddyDiff::Scalar_v, EddyDiff::Q1_v, EddyDiff::Q2_v, EddyDiff::Q3_h};
+    Vector<int> eddy_diff_idz{EddyDiff::Theta_v, EddyDiff::KE_v, EddyDiff::QKE_v, EddyDiff::Scalar_v, EddyDiff::Q1_v, EddyDiff::Q2_v, EddyDiff::Q3_v};
 
     // Device vectors
     Gpu::AsyncVector<Real> alpha_eff_d;
diff --git a/Source/Diffusion/DiffusionSrcForState_T.cpp b/Source/Diffusion/DiffusionSrcForState_T.cpp
index d1c477d34..b22381443 100644
--- a/Source/Diffusion/DiffusionSrcForState_T.cpp
+++ b/Source/Diffusion/DiffusionSrcForState_T.cpp
@@ -141,7 +141,7 @@ DiffusionSrcForState_T (const amrex::Box& bx, const amrex::Box& domain,
     }
     Vector<int> eddy_diff_idx{EddyDiff::Theta_h, EddyDiff::KE_h, EddyDiff::QKE_h, EddyDiff::Scalar_h, EddyDiff::Q1_h, EddyDiff::Q2_h, EddyDiff::Q3_h};
     Vector<int> eddy_diff_idy{EddyDiff::Theta_h, EddyDiff::KE_h, EddyDiff::QKE_h, EddyDiff::Scalar_h, EddyDiff::Q1_h, EddyDiff::Q2_h, EddyDiff::Q3_h};
-    Vector<int> eddy_diff_idz{EddyDiff::Theta_v, EddyDiff::KE_v, EddyDiff::QKE_v, EddyDiff::Scalar_v, EddyDiff::Q1_v, EddyDiff::Q2_v, EddyDiff::Q3_h};
+    Vector<int> eddy_diff_idz{EddyDiff::Theta_v, EddyDiff::KE_v, EddyDiff::QKE_v, EddyDiff::Scalar_v, EddyDiff::Q1_v, EddyDiff::Q2_v, EddyDiff::Q3_v};
 
     // Device vectors
     Gpu::AsyncVector<Real> alpha_eff_d;