diff --git a/openeo_processes_dask/process_implementations/arrays.py b/openeo_processes_dask/process_implementations/arrays.py
index 3f8876e4..c3bb2b0a 100644
--- a/openeo_processes_dask/process_implementations/arrays.py
+++ b/openeo_processes_dask/process_implementations/arrays.py
@@ -172,6 +172,9 @@ def array_find(
     else:
         masked_idxs = np.atleast_1d(np.ma.masked_array(idxs, mask=mask))
 
+    if reverse:
+        masked_idxs = data.size - 1 - idxs
+
     return masked_idxs