diff --git a/src/main/java/walkingkooka/j2cl/maven/J2clArtifactCoordsExclusionPredicate.java b/src/main/java/walkingkooka/j2cl/maven/J2clArtifactCoordsExclusionPredicate.java
index e715866..b91fd7d 100644
--- a/src/main/java/walkingkooka/j2cl/maven/J2clArtifactCoordsExclusionPredicate.java
+++ b/src/main/java/walkingkooka/j2cl/maven/J2clArtifactCoordsExclusionPredicate.java
@@ -32,7 +32,9 @@ private J2clArtifactCoordsExclusionPredicate(final String groupId, final String
 
     @Override
     public boolean test(final J2clArtifactCoords coords) {
-        return this.groupId.equals(coords.groupId()) && this.artifactId.equals(coords.artifactId());
+        return null != coords &&
+                this.groupId.equals(coords.groupId()) &&
+                this.artifactId.equals(coords.artifactId());
     }
 
     private final String groupId;