diff --git a/src/ir.cpp b/src/ir.cpp
index 3a22d0aa178110a50592e9834d670ce1994d59ab..55f17b811d8d9248bb382181abf2eaa8e08e1643 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -10153,7 +10153,7 @@ static IrInstruction *ir_analyze_int_to_enum(IrAnalyze *ira, IrInstruction *sour
         return ira->codegen->invalid_instruction;
     }
 
-    assert(actual_type->id == ZigTypeIdInt);
+    assert(actual_type->id == ZigTypeIdInt || actual_type->id == ZigTypeIdComptimeInt);
 
     if (instr_is_comptime(target)) {
         ConstExprValue *val = ir_resolve_const(ira, target, UndefBad);
diff --git a/test/cases/cast.zig b/test/cases/cast.zig
index 06c029a405759864a6035b38bf3d07321e532f00..bd45bbc00f089ee1998b4327fe1ced55efc49e60 100644
--- a/test/cases/cast.zig
+++ b/test/cases/cast.zig
@@ -462,3 +462,11 @@ test "implicit cast comptime numbers to any type when the value fits" {
     var b: u8 = a;
     assert(b == 255);
 }
+
+test "@intToEnum passed a comptime_int to an enum with one item" {
+    const E = enum {
+        A,
+    };
+    const x = @intToEnum(E, 0);
+    assert(x == E.A);
+}