diff --git a/ptypy/accelerate/cuda_pycuda/cuda/log_likelihood.cu b/ptypy/accelerate/cuda_pycuda/cuda/log_likelihood.cu
index 528f52ec6..d253fb7e8 100644
--- a/ptypy/accelerate/cuda_pycuda/cuda/log_likelihood.cu
+++ b/ptypy/accelerate/cuda_pycuda/cuda/log_likelihood.cu
@@ -192,8 +192,8 @@ inline __device__ void log_likelihood_ml_impl(
   const int *ma = addr + 12 + (blockIdx.x * nmodes) * addr_stride;
 
   aux += ea[0] * A * B;
-  weights += da[0] * A * B;
-  I += ma[0] * A * B;
+  I += da[0] * A * B;
+  weights += ma[0] * A * B;
   llerr += da[0] * A * B;
   MATH_TYPE norm = A * B;