diff --git a/src/codegen/wasm/Emit.zig b/src/codegen/wasm/Emit.zig
index 81bf1e1315362d5b4dd4928b29f76dc5ab1f41f0..ccc75b9b536871e5010f1a5155cdd0ae4abf9301 100644
--- a/src/codegen/wasm/Emit.zig
+++ b/src/codegen/wasm/Emit.zig
@@ -978,7 +978,7 @@ fn uavRefExe(wasm: *Wasm, code: *ArrayList(u8), value: InternPool.Index, offset:
     code.appendAssumeCapacity(@backingInt(opcode));
 
     const addr = wasm.uavAddr(value);
-    writeUleb128(code, @as(u32, @intCast(@as(i64, addr) + offset)));
+    writeSleb128(code, @as(u32, @intCast(@as(i64, addr) + offset)));
 }
 
 fn navRefOff(wasm: *Wasm, code: *ArrayList(u8), data: Mir.NavRefOff, is_wasm32: bool) !void {
@@ -1004,7 +1004,7 @@ fn navRefOff(wasm: *Wasm, code: *ArrayList(u8), data: Mir.NavRefOff, is_wasm32:
         code.appendNTimesAssumeCapacity(0, if (is_wasm32) 5 else 10);
     } else {
         const addr = wasm.navAddr(data.nav_index);
-        writeUleb128(code, @as(u32, @intCast(@as(i64, addr) + data.offset)));
+        writeSleb128(code, @as(u32, @intCast(@as(i64, addr) + data.offset)));
     }
 }
 
diff --git a/src/link/Wasm/Flush.zig b/src/link/Wasm/Flush.zig
index 410ebb7e4434595ecbe1353810235ad1f6b468b2..ac580f9bbc5656362185489f457f15b387605a68 100644
--- a/src/link/Wasm/Flush.zig
+++ b/src/link/Wasm/Flush.zig
@@ -2032,8 +2032,7 @@ fn appendGlobal(gpa: Allocator, bytes: *ArrayList(u8), mutable: u8, val: u32) Al
     try bytes.ensureUnusedCapacity(gpa, 9);
     bytes.appendAssumeCapacity(@backingInt(std.wasm.Valtype.i32));
     bytes.appendAssumeCapacity(mutable);
-    bytes.appendAssumeCapacity(@backingInt(std.wasm.Opcode.i32_const));
-    appendReservedUleb32(bytes, val);
+    appendReservedI32Const(bytes, val);
     bytes.appendAssumeCapacity(@backingInt(std.wasm.Opcode.end));
 }