diff --git a/src/script/sign.h b/src/script/sign.h
--- a/src/script/sign.h
+++ b/src/script/sign.h
@@ -88,6 +88,7 @@
     /// BIP 174 style partial signatures for the input. May contain all
     /// signatures necessary for producing a final scriptSig.
     std::map<CKeyID, SigPair> signatures;
+    std::map<CKeyID, CPubKey> misc_pubkeys;
 
     SignatureData() {}
     explicit SignatureData(const CScript &script) : scriptSig(script) {}
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -50,10 +50,10 @@
     return false;
 }
 
-static bool GetPubKey(const SigningProvider &provider,
-                      const SignatureData &sigdata, const CKeyID &address,
-                      CPubKey &pubkey) {
+static bool GetPubKey(const SigningProvider &provider, SignatureData &sigdata,
+                      const CKeyID &address, CPubKey &pubkey) {
     if (provider.GetPubKey(address, pubkey)) {
+        sigdata.misc_pubkeys.emplace(pubkey.GetID(), pubkey);
         return true;
     }
     // Look for pubkey in all partial sigs
@@ -62,6 +62,12 @@
         pubkey = it->second.first;
         return true;
     }
+    // Look for pubkey in pubkey list
+    const auto &pk_it = sigdata.misc_pubkeys.find(address);
+    if (pk_it != sigdata.misc_pubkeys.end()) {
+        pubkey = pk_it->second;
+        return true;
+    }
     return false;
 }
 
@@ -74,9 +80,9 @@
         sig_out = it->second.second;
         return true;
     }
+    CPubKey pubkey;
+    GetPubKey(provider, sigdata, keyid, pubkey);
     if (creator.CreateSig(provider, sig_out, keyid, scriptcode)) {
-        CPubKey pubkey;
-        GetPubKey(provider, sigdata, keyid, pubkey);
         auto i = sigdata.signatures.emplace(keyid, SigPair(pubkey, sig_out));
         assert(i.second);
         return true;