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diff --git a/src/asmjit/core/support.h b/src/asmjit/core/support.h
index f98ffaa..2329cb2 100644
--- a/src/asmjit/core/support.h
+++ b/src/asmjit/core/support.h
@@ -33,33 +33,40 @@
ASMJIT_BEGIN_NAMESPACE
//! \addtogroup asmjit_utilities
//! \{
//! Contains support classes and functions that may be used by AsmJit source
//! and header files. Anything defined here is considered internal and should
//! not be used outside of AsmJit and related projects like AsmTK.
namespace Support {
// ============================================================================
// [asmjit::Support - Architecture Features & Constraints]
// ============================================================================
//! \cond INTERNAL
+#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 11
+// There is a bug in GCC11+ that makes it unusable to use annotated unaligned loads/stores.
+static constexpr bool kUnalignedAccess16 = false;
+static constexpr bool kUnalignedAccess32 = false;
+static constexpr bool kUnalignedAccess64 = false;
+#else
static constexpr bool kUnalignedAccess16 = ASMJIT_ARCH_X86 != 0;
static constexpr bool kUnalignedAccess32 = ASMJIT_ARCH_X86 != 0;
static constexpr bool kUnalignedAccess64 = ASMJIT_ARCH_X86 != 0;
+#endif
//! \endcond
// ============================================================================
// [asmjit::Support - Internal]
// ============================================================================
//! \cond INTERNAL
namespace Internal {
template<typename T, size_t Alignment>
struct AlignedInt {};
template<> struct AlignedInt<uint16_t, 1> { typedef uint16_t ASMJIT_ALIGN_TYPE(T, 1); };
template<> struct AlignedInt<uint16_t, 2> { typedef uint16_t T; };
template<> struct AlignedInt<uint32_t, 1> { typedef uint32_t ASMJIT_ALIGN_TYPE(T, 1); };
template<> struct AlignedInt<uint32_t, 2> { typedef uint32_t ASMJIT_ALIGN_TYPE(T, 2); };
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