diff --git a/src/ox/std/string.hpp b/src/ox/std/string.hpp
index 4f6c43974..0368f8fca 100644
--- a/src/ox/std/string.hpp
+++ b/src/ox/std/string.hpp
@@ -114,7 +114,7 @@ constexpr const BString<size> &BString<size>::operator+=(const char *str) noexce
 
 template<std::size_t size>
 constexpr const BString<size> &BString<size>::operator+=(char *str) noexcept {
-	return *this = static_cast<const char*>(str);
+	return *this += static_cast<const char*>(str);
 }
 
 template<std::size_t size>
diff --git a/src/ox/std/test/CMakeLists.txt b/src/ox/std/test/CMakeLists.txt
index ad9eccb7a..6e9b08752 100644
--- a/src/ox/std/test/CMakeLists.txt
+++ b/src/ox/std/test/CMakeLists.txt
@@ -11,5 +11,6 @@ add_test("Test\\ ox_memcmp\\ ABCDEFG\\ !=\\ HIJKLMN" StdTest "ABCDEFG != HIJKLMN
 add_test("Test\\ ox_memcmp\\ HIJKLMN\\ !=\\ ABCDEFG" StdTest "HIJKLMN != ABCDEFG")
 add_test("Test\\ ox_memcmp\\ ABCDEFG\\ ==\\ ABCDEFG" StdTest "ABCDEFG == ABCDEFG")
 add_test("Test\\ ox_memcmp\\ ABCDEFGHI\\ ==\\ ABCDEFG" StdTest "ABCDEFGHI == ABCDEFG")
+add_test("Test\\ BString" StdTest "BString")
 add_test("Test\\ Vector" StdTest "Vector")
 add_test("Test\\ HashMap" StdTest "HashMap")
diff --git a/src/ox/std/test/tests.cpp b/src/ox/std/test/tests.cpp
index 0904067eb..f5521ee78 100644
--- a/src/ox/std/test/tests.cpp
+++ b/src/ox/std/test/tests.cpp
@@ -37,6 +37,18 @@ map<string, function<int()>> tests = {
 			return !(ox_memcmp("ABCDEFGHI", "ABCDEFG", 7) == 0);
 		}
 	},
+	{
+		"BString",
+		[]() {
+			ox::BString<100> s;
+			s += "A";
+			s += "B";
+			s += 9;
+			s += "C";
+			oxAssert(s == "AB9C", "BString append broken");
+			return OxError(0);
+		}
+	},
 	{
 		"Vector",
 		[] {