1 files changed, 5 insertions, 3 deletions
diff --git a/core/src/main/java/com/google/common/truth/PrimitiveCharArraySubject.java b/core/src/main/java/com/google/common/truth/PrimitiveCharArraySubject.java
index 6e94b2cf..79e6f12e 100644
--- a/core/src/main/java/com/google/common/truth/PrimitiveCharArraySubject.java
+++ b/core/src/main/java/com/google/common/truth/PrimitiveCharArraySubject.java
@@ -15,6 +15,8 @@
  */
 package com.google.common.truth;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
 import com.google.common.primitives.Chars;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
@@ -24,15 +26,15 @@ import org.checkerframework.checker.nullness.qual.Nullable;
  * @author Christian Gruber (cgruber@israfil.net)
  */
 public final class PrimitiveCharArraySubject extends AbstractArraySubject {
-  private final char[] actual;
+  private final char @Nullable [] actual;
 
   PrimitiveCharArraySubject(
-      FailureMetadata metadata, char /*@Nullable*/[] o, @Nullable String typeDescription) {
+      FailureMetadata metadata, char @Nullable [] o, @Nullable String typeDescription) {
     super(metadata, o, typeDescription);
     this.actual = o;
   }
 
   public IterableSubject asList() {
-    return checkNoNeedToDisplayBothValues("asList()").that(Chars.asList(actual));
+    return checkNoNeedToDisplayBothValues("asList()").that(Chars.asList(checkNotNull(actual)));
   }
 }