diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 717a119b5623c..c57cda0483c7b 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -2312,7 +2312,7 @@ static RPCHelpMan scanblocks()
                 {
                     {"filter_false_positives", RPCArg::Type::BOOL, RPCArg::Default{false}, "Filter false positives (slower and may fail on pruned nodes). Otherwise they may occur at a rate of 1/M"},
                 },
-                RPCArgOptions{.oneline_description="\"options\""}},
+                RPCArgOptions{.oneline_description="options"}},
         },
         {
             scan_result_status_none,
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 1f9b264626566..a9f9d485fbd6b 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -554,7 +554,7 @@ static RPCHelpMan getblocktemplate()
         "    https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n"
         "    https://github.com/bitcoin/bips/blob/master/bip-0145.mediawiki\n",
         {
-            {"template_request", RPCArg::Type::OBJ, RPCArg::Default{UniValue::VOBJ}, "Format of the template",
+            {"template_request", RPCArg::Type::OBJ, RPCArg::Optional::NO, "Format of the template",
             {
                 {"mode", RPCArg::Type::STR, /* treat as named arg */ RPCArg::Optional::OMITTED, "This must be set to \"template\", \"proposal\" (see BIP 23), or omitted"},
                 {"capabilities", RPCArg::Type::ARR, /* treat as named arg */ RPCArg::Optional::OMITTED, "A list of strings",
@@ -569,7 +569,7 @@ static RPCHelpMan getblocktemplate()
                 {"longpollid", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "delay processing request until the result would vary significantly from the \"longpollid\" of a prior template"},
                 {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "proposed block data to check, encoded in hexadecimal; valid only for mode=\"proposal\""},
             },
-            RPCArgOptions{.oneline_description="\"template_request\""}},
+            },
         },
         {
             RPCResult{"If the proposal was accepted with mode=='proposal'", RPCResult::Type::NONE, "", ""},
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 2732f1297acfd..08a778a60e889 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -1138,7 +1138,16 @@ std::string RPCArg::ToStringObj(const bool oneline) const
 
 std::string RPCArg::ToString(const bool oneline) const
 {
-    if (oneline && !m_opts.oneline_description.empty()) return m_opts.oneline_description;
+    if (oneline && !m_opts.oneline_description.empty()) {
+        if (m_opts.oneline_description[0] == '\"' && m_type != Type::STR_HEX && m_type != Type::STR && gArgs.GetBoolArg("-rpcdoccheck", DEFAULT_RPC_DOC_CHECK)) {
+            throw std::runtime_error{
+                strprintf("Internal bug detected: non-string RPC arg \"%s\" quotes oneline_description:\n%s\n%s %s\nPlease report this issue here: %s\n",
+                          m_names, m_opts.oneline_description,
+                          PACKAGE_NAME, FormatFullVersion(),
+                          PACKAGE_BUGREPORT)};
+        }
+        return m_opts.oneline_description;
+    }
 
     switch (m_type) {
     case Type::STR_HEX:
diff --git a/src/wallet/rpc/backup.cpp b/src/wallet/rpc/backup.cpp
index 22c31436f13c5..d100b69d3c8a5 100644
--- a/src/wallet/rpc/backup.cpp
+++ b/src/wallet/rpc/backup.cpp
@@ -1297,12 +1297,12 @@ RPCHelpMan importmulti()
                                 },
                             },
                         },
-                        RPCArgOptions{.oneline_description="\"requests\""}},
+                        RPCArgOptions{.oneline_description="requests"}},
                     {"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
                         {
                             {"rescan", RPCArg::Type::BOOL, RPCArg::Default{true}, "Scan the chain and mempool for wallet transactions after all imports."},
                         },
-                        RPCArgOptions{.oneline_description="\"options\""}},
+                        RPCArgOptions{.oneline_description="options"}},
                 },
                 RPCResult{
                     RPCResult::Type::ARR, "", "Response is an array with the same size as the input that has the execution result",
@@ -1617,7 +1617,7 @@ RPCHelpMan importdescriptors()
                                 },
                             },
                         },
-                        RPCArgOptions{.oneline_description="\"requests\""}},
+                        RPCArgOptions{.oneline_description="requests"}},
                 },
                 RPCResult{
                     RPCResult::Type::ARR, "", "Response is an array with the same size as the input that has the execution result",
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
index 56cd615dacd87..da796d3f70f42 100755
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -172,7 +172,7 @@ def assert_submitblock(block, result_str_1, result_str_2=None):
         block.vtx = [coinbase_tx]
 
         self.log.info("getblocktemplate: segwit rule must be set")
-        assert_raises_rpc_error(-8, "getblocktemplate must be called with the segwit rule set", node.getblocktemplate)
+        assert_raises_rpc_error(-8, "getblocktemplate must be called with the segwit rule set", node.getblocktemplate, {})
 
         self.log.info("getblocktemplate: Test valid block")
         assert_template(node, block, None)