diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/entities/SignedPreKey.java b/service/src/main/java/org/whispersystems/textsecuregcm/entities/SignedPreKey.java
index b4075f440..a8715b5ce 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/entities/SignedPreKey.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/entities/SignedPreKey.java
@@ -12,6 +12,10 @@ public interface SignedPreKey<K> extends PreKey<K> {
   byte[] signature();
 
   default boolean signatureValid(final IdentityKey identityKey) {
-    return identityKey.getPublicKey().verifySignature(serializedPublicKey(), signature());
+    try {
+      return identityKey.getPublicKey().verifySignature(serializedPublicKey(), signature());
+    } catch (final Exception e) {
+      return false;
+    }
   }
 }