diff --git a/src/dsp/pdr.c b/src/dsp/pdr.c
index ccaa929..0ef1686 100644
--- a/src/dsp/pdr.c
+++ b/src/dsp/pdr.c
@@ -445,7 +445,7 @@
 			return 0;
 		}
 	}
-	return -ENOKEY;
+	return -ENOENT;
 }
 
 typedef struct pldm_entity_association_tree {