diff --git a/Scripts/preprocess.sh b/Scripts/preprocess.sh
index 2729f834573f708b5bb3720cb087b8c9d6983d65..edd30014e9173fbae7431e863ed0a243fd710170 100644
--- a/Scripts/preprocess.sh
+++ b/Scripts/preprocess.sh
@@ -23,4 +23,4 @@ time python climax/main/preprocess.py $TARGET_GRID $SOURCE_PATH $TARGET_PATH -f
 time python climax/main/preprocess.py $TARGET_GRID $SOURCE_PATH $TARGET_PATH -f $TASMAX_INVENTORY -m 'bilinear' -rm -a -o
 
 # pr
-time python climax/main/preprocess.py $TARGET_GRID $SOURCE_PATH $TARGET_PATH -f $PR_INVENTORY -m 'conservative' -rm -a -o
\ No newline at end of file
+time python climax/main/preprocess.py $TARGET_GRID $SOURCE_PATH $TARGET_PATH -f $PR_INVENTORY -m 'bilinear' -rm -a -o
\ No newline at end of file