diff --git a/ext/JACCAMDGPU/JACCAMDGPU.jl b/ext/JACCAMDGPU/JACCAMDGPU.jl
index e344702..69de6b3 100644
--- a/ext/JACCAMDGPU/JACCAMDGPU.jl
+++ b/ext/JACCAMDGPU/JACCAMDGPU.jl
@@ -33,8 +33,8 @@ function JACC.parallel_for(
         (L, M, N)::Tuple{I, I, I}, f::F, x...) where {
         I <: Integer, F <: Function}
     numThreads = 32
-    Lthreads = min(L, numThreads)
-    Mthreads = 1
+    Lthreads = 1
+    Mthreads = min(L, numThreads)
     Nthreads = min(M, numThreads)
     Lblocks = ceil(Int, L / Lthreads)
     Mblocks = ceil(Int, M / Mthreads)