diff --git a/java_gen/templates/custom/OFMatchV1Ver10.Builder.java b/java_gen/templates/custom/OFMatchV1Ver10.Builder.java
index a29e8a0..239828e 100644
--- a/java_gen/templates/custom/OFMatchV1Ver10.Builder.java
+++ b/java_gen/templates/custom/OFMatchV1Ver10.Builder.java
@@ -282,7 +282,7 @@
                     return srcCidrLen > 0 && srcCidrLen < 32;
                 case ARP_TPA:
                 case IPV4_DST:
-                    int dstCidrLen = getIpv4SrcCidrMaskLen();
+                    int dstCidrLen = getIpv4DstCidrMaskLen();
                     return dstCidrLen > 0 && dstCidrLen < 32;
                 default:
                     throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName());