diff --git a/src/qt/paymentserver.cpp b/src/qt/paymentserver.cpp
--- a/src/qt/paymentserver.cpp
+++ b/src/qt/paymentserver.cpp
@@ -214,6 +214,37 @@
 
 } // ns anon
 
+static bool ipcParseURI(const QString &arg) {
+
+    std::vector<std::string> networks = {CBaseChainParams::MAIN,
+                                         CBaseChainParams::TESTNET,
+                                         CBaseChainParams::REGTEST};
+
+    for (std::string net : networks) {
+        const CChainParams &params(Params(net));
+        SchemeCfgDummy cfg(params);
+        const QString scheme = GUIUtil::bitcoinURIScheme(cfg);
+
+        if (!arg.startsWith(scheme + ":", Qt::CaseInsensitive)) {
+            continue;
+        }
+
+        SendCoinsRecipient r;
+        if (!GUIUtil::parseBitcoinURI(scheme, arg, &r)) {
+            return false;
+        }
+
+        if (!IsValidDestinationString(r.address.toStdString(), params)) {
+            return false;
+        }
+
+        savedPaymentRequests.append(arg);
+        SelectParams(net);
+        return true;
+    }
+    return false;
+}
+
 //
 // Sending to the server is done synchronously, at startup.
 // If the server isn't already running, startup continues, and the items in
@@ -227,31 +258,11 @@
         QString arg(argv[i]);
         if (arg.startsWith("-")) continue;
 
-        SchemeCfgDummy cfg(Params(CBaseChainParams::MAIN));
-        QString scheme = GUIUtil::bitcoinURIScheme(cfg);
-        // If the bitcoincash: URI contains a payment request, we are not able
-        // to detect the network as that would require fetching and parsing the
-        // payment request. That means clicking such an URI which contains a
-        // testnet payment request will start a mainnet instance and throw a
-        // "wrong network" error.
-        if (arg.startsWith(scheme + ":",
-                           Qt::CaseInsensitive)) // bitcoincash: URI
-        {
-            savedPaymentRequests.append(arg);
+        if (ipcParseURI(arg)) {
+            continue;
+        }
 
-            SendCoinsRecipient r;
-            if (GUIUtil::parseBitcoinURI(scheme, arg, &r) &&
-                !r.address.isEmpty()) {
-                if (IsValidDestinationString(r.address.toStdString(),
-                                             Params(CBaseChainParams::MAIN))) {
-                    SelectParams(CBaseChainParams::MAIN);
-                } else if (IsValidDestinationString(
-                               r.address.toStdString(),
-                               Params(CBaseChainParams::TESTNET))) {
-                    SelectParams(CBaseChainParams::TESTNET);
-                }
-            }
-        } else if (QFile::exists(arg)) {
+        if (QFile::exists(arg)) {
             // Filename
             savedPaymentRequests.append(arg);