diff --git a/Cesium.CodeGen.Tests/CodeGenPointersTests.cs b/Cesium.CodeGen.Tests/CodeGenPointersTests.cs
index 68248fcd..038dc067 100644
--- a/Cesium.CodeGen.Tests/CodeGenPointersTests.cs
+++ b/Cesium.CodeGen.Tests/CodeGenPointersTests.cs
@@ -39,6 +39,12 @@ private static Task DoTest(string source)
     [Fact]
     public Task IndexOverPointer() => DoTest("void foo (int *x) { int y = x[1]; }");
 
+    [Fact]
+    public Task AssignToPointer() => DoTest(@"
+void foo_int (int *x) { *x = 0; }
+void foo_uint64 (unsigned long long *x) { *x = 0; }
+");
+
     [Fact]
     public Task PointerToPointer() => DoTest("void foo (int **x) { int y = *x[1]; }");
 
diff --git a/Cesium.CodeGen.Tests/verified/CodeGenPointersTests.AssignToPointer.verified.txt b/Cesium.CodeGen.Tests/verified/CodeGenPointersTests.AssignToPointer.verified.txt
new file mode 100644
index 00000000..f33817cd
--- /dev/null
+++ b/Cesium.CodeGen.Tests/verified/CodeGenPointersTests.AssignToPointer.verified.txt
@@ -0,0 +1,11 @@
+System.Void <Module>::foo_int(System.Int32* x)
+  IL_0000: ldarg.0
+  IL_0001: ldc.i4.0
+  IL_0002: stind.i4
+  IL_0003: ret
+
+System.Void <Module>::foo_uint64(System.UInt64* x)
+  IL_0000: ldarg.0
+  IL_0001: ldc.i4.0
+  IL_0002: stind.i8
+  IL_0003: ret
diff --git a/Cesium.CodeGen/Ir/Types/PrimitiveType.cs b/Cesium.CodeGen/Ir/Types/PrimitiveType.cs
index 6521199c..54944c67 100644
--- a/Cesium.CodeGen/Ir/Types/PrimitiveType.cs
+++ b/Cesium.CodeGen/Ir/Types/PrimitiveType.cs
@@ -198,6 +198,8 @@ internal static class PrimitiveTypeInfo
         { PrimitiveTypeKind.Float, (OpCodes.Ldind_R4, OpCodes.Stind_R4) },
         { PrimitiveTypeKind.Long, (OpCodes.Ldind_I8, OpCodes.Stind_I8) },
         { PrimitiveTypeKind.UnsignedLong, (OpCodes.Ldind_I8, OpCodes.Stind_I8) },
+        { PrimitiveTypeKind.LongLong, (OpCodes.Ldind_I8, OpCodes.Stind_I8) },
+        { PrimitiveTypeKind.UnsignedLongLong, (OpCodes.Ldind_I8, OpCodes.Stind_I8) },
         { PrimitiveTypeKind.Double, (OpCodes.Ldind_R8, OpCodes.Stind_R8) },
         { PrimitiveTypeKind.Bool, (OpCodes.Ldind_I1, OpCodes.Stind_I1) },
     };