diff --git a/src/main/scala/millfork/compiler/AbstractExpressionCompiler.scala b/src/main/scala/millfork/compiler/AbstractExpressionCompiler.scala
index 90dcb2ac..b39a0cf1 100644
--- a/src/main/scala/millfork/compiler/AbstractExpressionCompiler.scala
+++ b/src/main/scala/millfork/compiler/AbstractExpressionCompiler.scala
@@ -494,12 +494,14 @@ object AbstractExpressionCompiler {
         case List(1, 1) | List(2, 1) => b
         case List(1, 2) | List(2, 2) => w
         case List(0, _) | List(_, 0) => b
-        case _ => log.error("Combining values bigger than words", expr.position); w
+        case List(n, _) if n >= 3 => env.get[Type]("int" + n * 8)
+        case _ => log.error(s"Invalid parameters to %%", expr.position); w
       }
-      case FunctionCallExpression("*" | "|" | "&" | "^" | "/", params) => params.map { e => getExpressionTypeImpl(env, log, e, loosely).size }.max match {
+      case FunctionCallExpression(op@("*" | "|" | "&" | "^" | "/"), params) => params.map { e => getExpressionTypeImpl(env, log, e, loosely).size }.max match {
         case 0 | 1 => b
         case 2 => w
-        case _ => log.error("Combining values bigger than words", expr.position); w
+        case n if n >= 3 => env.get[Type]("int" + n * 8)
+        case _ => log.error(s"Invalid parameters to " + op, expr.position); w
       }
       case FunctionCallExpression("<<", List(a1, a2)) =>
         if (getExpressionTypeImpl(env, log, a2, loosely).size > 1) log.error("Shift amount too large", a2.position)
diff --git a/src/test/scala/millfork/test/ConstantSuite.scala b/src/test/scala/millfork/test/ConstantSuite.scala
index a637e342..ad3ce869 100644
--- a/src/test/scala/millfork/test/ConstantSuite.scala
+++ b/src/test/scala/millfork/test/ConstantSuite.scala
@@ -145,4 +145,22 @@ class ConstantSuite extends FunSuite with Matchers {
           """.stripMargin)
     m.readByte(0xc000) should equal(1)
   }
+
+  test("Large constants should work") {
+    EmuUnoptimizedCrossPlatformRun(Cpu.Mos, Cpu.Z80)(
+          """
+            | const int24 A = 200
+            | const int24 B = 8
+            | const int24 C = A/B
+            | array(int24) arr[10] @$c000
+            | void main() {
+            |   arr[0] = C
+            |   arr[1] = A/B
+            | }
+            |
+          """.stripMargin) {m =>
+      m.readMedium(0xc000) should equal(200/8)
+      m.readMedium(0xc003) should equal(200/8)
+    }
+  }
 }