diff --git a/src/COREMOD_arith/image_multicrop2D.c b/src/COREMOD_arith/image_multicrop2D.c
index 5b00f737..c238efd9 100644
--- a/src/COREMOD_arith/image_multicrop2D.c
+++ b/src/COREMOD_arith/image_multicrop2D.c
@@ -424,33 +424,31 @@ static errno_t compute_function()
         {
             if ( *wactive[cropwindow] == 1)
             {
-                uint32_t jjmax = *wcropysize[cropwindow];
-                if ( jjmax +  *wcropystart[cropwindow] > (*outysize))
+                uint32_t iimax = *wcropxsize[cropwindow];
+                if ( iimax +  *wcropxpos[cropwindow] > (*outxsize))
                 {
-                    jjmax = (*outysize) - *wcropystart[cropwindow];
+                    iimax = (*outxsize) - *wcropxpos[cropwindow];
                 }
 
-                if ( jjmax + *wcropypos[cropwindow] > imgin.md->size[1])
+                if ( iimax + *wcropxstart[cropwindow] > imgin.md->size[0])
                 {
-                    jjmax = imgin.md->size[1] - *wcropypos[cropwindow];
+                    iimax = imgin.md->size[0] - *wcropxstart[cropwindow];
                 }
 
 
-
-                uint32_t iimax = *wcropxsize[cropwindow];
-                if ( iimax +  *wcropxpos[cropwindow] > (*outxsize))
+                uint32_t jjmax = *wcropysize[cropwindow];
+                if ( jjmax +  *wcropypos[cropwindow] > (*outysize))
                 {
-                    iimax = (*outxsize) - *wcropxpos[cropwindow];
+                    jjmax = (*outysize) - *wcropypos[cropwindow];
                 }
 
-                if ( iimax + *wcropxstart[cropwindow] > imgin.md->size[0])
+                if ( jjmax + *wcropystart[cropwindow] > imgin.md->size[1])
                 {
-                    iimax = imgin.md->size[0] - *wcropxstart[cropwindow];
+                    jjmax = imgin.md->size[1] - *wcropystart[cropwindow];
                 }
 
 
 
-
                 for(uint32_t jj = 0; jj < jjmax; jj++)
                 {
                     uint64_t indjj = jj + (*wcropystart[cropwindow]);