diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
index dd59f8603..c239ea7f7 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
@@ -111,6 +111,7 @@ public class KeychainContract {
         public static final String HAS_ANY_SECRET = "has_any_secret";
         public static final String HAS_ENCRYPT = "has_encrypt";
         public static final String HAS_SIGN = "has_sign";
+        public static final String HAS_CERTIFY = "has_certify";
         public static final String PUBKEY_DATA = "pubkey_data";
         public static final String PRIVKEY_DATA = "privkey_data";
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
index c914cb5b7..ed12fb94a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
@@ -271,6 +271,8 @@ public class KeychainProvider extends ContentProvider {
                         "kE." + Keys.KEY_ID + " AS " + KeyRings.HAS_ENCRYPT);
                 projectionMap.put(KeyRings.HAS_SIGN,
                         "kS." + Keys.KEY_ID + " AS " + KeyRings.HAS_SIGN);
+                projectionMap.put(KeyRings.HAS_CERTIFY,
+                        "kC." + Keys.KEY_ID + " AS " + KeyRings.HAS_SIGN);
                 projectionMap.put(KeyRings.IS_EXPIRED,
                         "(" + Tables.KEYS + "." + Keys.EXPIRY + " IS NOT NULL AND " + Tables.KEYS + "." + Keys.EXPIRY
                                 + " < " + new Date().getTime() / 1000 + ") AS " + KeyRings.IS_EXPIRED);
@@ -324,6 +326,15 @@ public class KeychainProvider extends ContentProvider {
                                 + " AND ( kS." + Keys.EXPIRY + " IS NULL OR kS." + Keys.EXPIRY
                                     + " >= " + new Date().getTime() / 1000 + " )"
                             + ")" : "")
+                        + (plist.contains(KeyRings.HAS_CERTIFY) ?
+                            " LEFT JOIN " + Tables.KEYS + " AS kC ON ("
+                                +"kC." + Keys.MASTER_KEY_ID
+                                + " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
+                                + " AND kC." + Keys.IS_REVOKED + " = 0"
+                                + " AND kC." + Keys.CAN_CERTIFY + " = 1"
+                                + " AND ( kC." + Keys.EXPIRY + " IS NULL OR kC." + Keys.EXPIRY
+                                + " >= " + new Date().getTime() / 1000 + " )"
+                                + ")" : "")
                     );
                 qb.appendWhere(Tables.KEYS + "." + Keys.RANK + " = 0");
                 // in case there are multiple verifying certificates