diff --git a/.codecov.yml b/.codecov.yml
index 61c2e2f21..7ba78c162 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -5,3 +5,11 @@ ignore:
   - "docs"
   - "test_package"
   - "fuzz"
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
diff --git a/include/CLI/TypeTools.hpp b/include/CLI/TypeTools.hpp
index 780bd2f44..63294d9c4 100644
--- a/include/CLI/TypeTools.hpp
+++ b/include/CLI/TypeTools.hpp
@@ -904,7 +904,7 @@ bool integral_conversion(const std::string &input, T &output) noexcept {
         nstring.erase(std::remove(nstring.begin(), nstring.end(), '\''), nstring.end());
         return integral_conversion(nstring, output);
     }
-    if(input.compare(0, 2, "0o") == 0) {
+    if(input.compare(0, 2, "0o") == 0||input.compare(0, 2, "0O") == 0) {
         val = nullptr;
         errno = 0;
         output_ll = std::strtoull(input.c_str() + 2, &val, 8);
@@ -914,7 +914,7 @@ bool integral_conversion(const std::string &input, T &output) noexcept {
         output = static_cast<T>(output_ll);
         return (val == (input.c_str() + input.size()) && static_cast<std::uint64_t>(output) == output_ll);
     }
-    if(input.compare(0, 2, "0b") == 0) {
+    if(input.compare(0, 2, "0b") == 0||input.compare(0, 2, "0B") == 0) {
         val = nullptr;
         errno = 0;
         output_ll = std::strtoull(input.c_str() + 2, &val, 2);
@@ -955,7 +955,7 @@ bool integral_conversion(const std::string &input, T &output) noexcept {
         nstring.erase(std::remove(nstring.begin(), nstring.end(), '\''), nstring.end());
         return integral_conversion(nstring, output);
     }
-    if(input.compare(0, 2, "0o") == 0) {
+    if(input.compare(0, 2, "0o") == 0 || input.compare(0, 2, "0O")==0) {
         val = nullptr;
         errno = 0;
         output_ll = std::strtoll(input.c_str() + 2, &val, 8);
@@ -965,7 +965,7 @@ bool integral_conversion(const std::string &input, T &output) noexcept {
         output = static_cast<T>(output_ll);
         return (val == (input.c_str() + input.size()) && static_cast<std::int64_t>(output) == output_ll);
     }
-    if(input.compare(0, 2, "0b") == 0) {
+    if(input.compare(0, 2, "0b") == 0 ||input.compare(0, 2, "0B")==0) {
         val = nullptr;
         errno = 0;
         output_ll = std::strtoll(input.c_str() + 2, &val, 2);
diff --git a/include/CLI/impl/Formatter_inl.hpp b/include/CLI/impl/Formatter_inl.hpp
index cdd6c258a..9a5e9f7ba 100644
--- a/include/CLI/impl/Formatter_inl.hpp
+++ b/include/CLI/impl/Formatter_inl.hpp
@@ -156,7 +156,7 @@ CLI11_INLINE std::string Formatter::make_help(const App *app, std::string name,
     // This immediately forwards to the make_expanded method. This is done this way so that subcommands can
     // have overridden formatters
     if(mode == AppFormatMode::Sub)
-        return make_expanded(app, AppFormatMode::Normal);
+        return make_expanded(app, mode);
 
     std::stringstream out;
     if((app->get_name().empty()) && (app->get_parent() != nullptr)) {
diff --git a/tests/OptionTypeTest.cpp b/tests/OptionTypeTest.cpp
index b7f99868b..5e25a9290 100644
--- a/tests/OptionTypeTest.cpp
+++ b/tests/OptionTypeTest.cpp
@@ -280,6 +280,8 @@ static const std::map<std::string, std::int64_t> testValuesInt{
     {"-995'862'275", -995862275},
     {"0b11010110", 0xD6},
     {"0b1101'0110", 0xD6},
+    {"0B11010110", 0xD6},
+    {"0B1101'0110", 0xD6},
     {"1_2_3_4_5", 12345},
 };
 
@@ -309,6 +311,10 @@ TEST_CASE_METHOD(TApp, "intConversionsErange", "[optiontype]") {
     args = {"--val", "0b1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
 
     CHECK_THROWS_AS(run(), CLI::ParseError);
+
+    args = {"--val", "0B1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
+
+    CHECK_THROWS_AS(run(), CLI::ParseError);
 }
 
 static const std::map<std::string, std::uint64_t> testValuesUInt{
@@ -329,6 +335,8 @@ static const std::map<std::string, std::uint64_t> testValuesUInt{
     {"995'862'275", 995862275},
     {"0b11010110", 0xD6},
     {"0b1101'0110", 0xD6},
+    {"0B11010110", 0xD6},
+    {"0B1101'0110", 0xD6},
     {"1_2_3_4_5", 12345},
 };
 
@@ -358,6 +366,10 @@ TEST_CASE_METHOD(TApp, "uintConversionsErange", "[optiontype]") {
     args = {"--val", "0b1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
 
     CHECK_THROWS_AS(run(), CLI::ParseError);
+
+    args = {"--val", "0B1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
+
+    CHECK_THROWS_AS(run(), CLI::ParseError);
 }
 
 TEST_CASE_METHOD(TApp, "CharOption", "[optiontype]") {