diff --git a/strings.py b/strings.py
index 250d659..dea9c43 100644
--- a/strings.py
+++ b/strings.py
@@ -69,7 +69,7 @@ exploded = spark.read.json(folder_path) \
     col("rors").alias("OAlex"),
     explode(col("raw_aff_string")).alias("affiliation") #this allows to split all the raw_aff_string and to parallelize better
 )
-affs = explode \
+affs = exploded \
     .select("affiliation") \
     .distinct() \
     .withColumn("Matchings", oalex_affro_udf(col("affiliation")))