diff --git a/example/memory.c b/example/memory.c
index edd4eba..3d9fcbc 100644
--- a/example/memory.c
+++ b/example/memory.c
@@ -200,7 +200,7 @@ int main(int argc, const char* argv[]) {
   // Create stand-alone memory.
   // TODO(wasm+): Once Wasm allows multiple memories, turn this into import.
   printf("Creating stand-alone memory...\n");
-  wasm_limits_t limits = {5, 5};
+  wasm_limits_t limits = {5, 5, false};
   own wasm_memorytype_t* memorytype = wasm_memorytype_new(&limits);
   own wasm_memory_t* memory2 = wasm_memory_new(store, memorytype);
   check(wasm_memory_size(memory2) == 5);
diff --git a/example/reflect.c b/example/reflect.c
index 0a7099f..c94d106 100644
--- a/example/reflect.c
+++ b/example/reflect.c
@@ -17,6 +17,7 @@ void print_mutability(wasm_mutability_t mut) {
 void print_limits(const wasm_limits_t* limits) {
   printf("%ud", limits->min);
   if (limits->max < wasm_limits_max_default) printf(" %ud", limits->max);
+  if (limits->shared) printf(" shared");
 }
 
 void print_valtype(const wasm_valtype_t* type) {
diff --git a/example/table.c b/example/table.c
index 5e91a34..9404076 100644
--- a/example/table.c
+++ b/example/table.c
@@ -192,7 +192,7 @@ int main(int argc, const char* argv[]) {
   // Create stand-alone table.
   // TODO(wasm+): Once Wasm allows multiple tables, turn this into import.
   printf("Creating stand-alone table...\n");
-  wasm_limits_t limits = {5, 5};
+  wasm_limits_t limits = {5, 5, false};
   own wasm_tabletype_t* tabletype =
     wasm_tabletype_new(wasm_valtype_new(WASM_FUNCREF), &limits);
   own wasm_table_t* table2 = wasm_table_new(store, tabletype, NULL);
diff --git a/include/wasm.h b/include/wasm.h
index 99a35da..50a0529 100644
--- a/include/wasm.h
+++ b/include/wasm.h
@@ -158,6 +158,7 @@ enum wasm_mutability_enum {
 typedef struct wasm_limits_t {
   uint32_t min;
   uint32_t max;
+  bool shared;
 } wasm_limits_t;
 
 static const uint32_t wasm_limits_max_default = 0xffffffff;
diff --git a/include/wasm.hh b/include/wasm.hh
index c98a1f4..08a78ae 100644
--- a/include/wasm.hh
+++ b/include/wasm.hh
@@ -256,9 +256,10 @@ enum class Mutability : uint8_t { CONST, VAR };
 struct Limits {
   uint32_t min;
   uint32_t max;
+  bool shared;
 
-  Limits(uint32_t min, uint32_t max = std::numeric_limits<uint32_t>::max()) :
-    min(min), max(max) {}
+  Limits(uint32_t min, uint32_t max = std::numeric_limits<uint32_t>::max(), bool shared = false) :
+    min(min), max(max), shared(shared) {}
 };