diff --git a/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilder.java b/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilder.java
index c2e8a4a2..56e7ce6c 100644
--- a/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilder.java
+++ b/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilder.java
@@ -179,6 +179,19 @@ public class EncryptionBuilder implements EncryptionBuilderInterface {
             return this;
         }
 
+        @Override
+        public WithAlgorithms andToSelf(PGPPublicKeyRingCollection keys) {
+            for (PGPPublicKeyRing ring : keys) {
+                for (Iterator<PGPPublicKey> i = ring.getPublicKeys(); i.hasNext(); ) {
+                    PGPPublicKey key = i.next();
+                    if (encryptionKeySelector().accept(null, key)) {
+                        EncryptionBuilder.this.encryptionKeys.add(key);
+                    }
+                }
+            }
+            return this;
+        }
+
         public <O> WithAlgorithms andToSelf(PublicKeyRingSelectionStrategy<O> ringSelectionStrategy,
                                            MultiMap<O, PGPPublicKeyRingCollection> keys) {
             if (keys.isEmpty()) {
diff --git a/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilderInterface.java b/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilderInterface.java
index c599bfdb..e2e4f703 100644
--- a/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilderInterface.java
+++ b/src/main/java/org/pgpainless/pgpainless/encryption_signing/EncryptionBuilderInterface.java
@@ -59,6 +59,8 @@ public interface EncryptionBuilderInterface {
 
         WithAlgorithms andToSelf(PGPPublicKeyRing... keys);
 
+        WithAlgorithms andToSelf(PGPPublicKeyRingCollection keys);
+
         <O> WithAlgorithms andToSelf(PublicKeyRingSelectionStrategy<O> selectionStrategy,
                                     MultiMap<O, PGPPublicKeyRingCollection> keys);