diff --git a/src/spicy/runtime-support.h b/src/spicy/runtime-support.h
index 78d82d3897..bea66d8d40 100644
--- a/src/spicy/runtime-support.h
+++ b/src/spicy/runtime-support.h
@@ -502,8 +502,8 @@ template<typename K, typename V>
 ValPtr to_val(const hilti::rt::Map<K, V>& s, const TypePtr& target);
 template<typename T>
 ValPtr to_val(const hilti::rt::Set<T>& s, const TypePtr& target);
-template<typename T>
-ValPtr to_val(const hilti::rt::Vector<T>& v, const TypePtr& target);
+template<typename T, typename Allocator>
+ValPtr to_val(const hilti::rt::Vector<T, Allocator>& v, const TypePtr& target);
 template<typename T>
 ValPtr to_val(const std::optional<T>& t, const TypePtr& target);
 template<typename T, typename E>
@@ -695,8 +695,8 @@ inline ValPtr to_val(const hilti::rt::Time& t, const TypePtr& target) {
  * Converts a Spicy-side vector to a Zeek value. The result is returned with
  * ref count +1.
  */
-template<typename T>
-inline ValPtr to_val(const hilti::rt::Vector<T>& v, const TypePtr& target) {
+template<typename T, typename Allocator>
+inline ValPtr to_val(const hilti::rt::Vector<T, Allocator>& v, const TypePtr& target) {
     if ( target->Tag() != TYPE_VECTOR && target->Tag() != TYPE_LIST )
         throw ParameterMismatch("expected vector or list", target);
 
diff --git a/testing/btest/Baseline/spicy.type-converter/output b/testing/btest/Baseline/spicy.type-converter/output
index b533a678f5..98e0df6aed 100644
--- a/testing/btest/Baseline/spicy.type-converter/output
+++ b/testing/btest/Baseline/spicy.type-converter/output
@@ -1,5 +1,5 @@
 ### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
-[$a=b"SSH-2", $b=11824, $c=11599, $d=3.14, $e=1.2.3.4, $f=2001:db8::1428:57ab, $g=True, $h="MyString", $i=2011-01-19T05:31:50.500000000Z, $j=4.000000s, $r=[$i=11, $s=(not set)], $s={1, 2, 3}, $t=(47, "foo"), $v=[b"A", b"B", b"C"], $l=[b"A", b"B", b"C"], $m={1: "A", 2: "B", 3: "C"}]
+[$a=b"SSH-2", $b=11824, $c=11599, $d=3.14, $e=1.2.3.4, $f=2001:db8::1428:57ab, $g=True, $h="MyString", $i=2011-01-19T05:31:50.500000000Z, $j=4.000000s, $k=Enum::B, $r=[$i=11, $s=(not set)], $s={1, 2, 3}, $t=(47, "foo"), $v=[b"A", b"B", b"C"], $l=[b"A", b"B", b"C"], $m={1: "A", 2: "B", 3: "C"}, $n=[Enum::A, Enum::B]]
 [orig_h=192.150.186.169, orig_p=49244/tcp, resp_h=131.159.14.23, resp_p=22/tcp, proto=6]
 T
 SSH-2
@@ -12,6 +12,7 @@ T
 MyString
 XXXXXXXXXX.XXXXXX
 4.000000, interval
+Conv::Enum_B
 [i=11, s=<uninitialized>]
 {
 2,
@@ -26,3 +27,4 @@ XXXXXXXXXX.XXXXXX
 [1] = A,
 [3] = C
 }
+[Conv::Enum_A, Conv::Enum_B]
diff --git a/testing/btest/spicy/type-converter.zeek b/testing/btest/spicy/type-converter.zeek
index 1c9104e2ce..f4be4602c4 100644
--- a/testing/btest/spicy/type-converter.zeek
+++ b/testing/btest/spicy/type-converter.zeek
@@ -12,6 +12,8 @@ event zeek_init() {
 
 module Conv;
 
+public type Enum = enum { A, B = 2, C };
+
 public type Test = unit {
     a: bytes &size=5;
     b: int16;
@@ -23,6 +25,7 @@ public type Test = unit {
     h: bytes &size=1 &convert="MyString";
     i: bytes &size=1 &convert=time(1295415110.5);
     j: bytes &size=1 &convert=interval(4.0);
+    k: bytes &size=1 &convert=Enum(2);
 
     var r: MyStruct = [$i = 11];
     var s: set<uint64> = set<uint64>(1,2,3);
@@ -30,6 +33,7 @@ public type Test = unit {
     var v: vector<bytes> = vector<bytes>(b"A", b"B", b"C");
     var l: vector<bytes> = vector<bytes>(b"A", b"B", b"C");
     var m: map<int64, string> = map(1: "A", 2: "B", 3: "C");
+    var n: vector<Enum> = [Enum::A, Enum::B];
 
     on %done { print self; }
 };
@@ -59,12 +63,14 @@ on Conv::Test -> event conv::test($conn,
                                   self.h,
                                   self.i,
                                   self.j,
+                                  self.k,
                                   self.r,
                                   self.s,
                                   self.t,
                                   self.v,
                                   self.l,
-                                  self.m
+                                  self.m,
+                                  self.n
                                   );
 
 @TEST-END-FILE
@@ -86,12 +92,14 @@ event conv::test(x: connection,
                  h: string,
                  i: time,
                  j: interval,
+                 k: Conv::Enum,
                  r: MyRecord,
                  s: set[count],
                  t: MyRecord,
                  v: vector of string,
                  l: vector of string,
-                 m: table[int] of string
+                 m: table[int] of string,
+                 n: vector of Conv::Enum
                 )
     {
     print x$id;
@@ -106,10 +114,12 @@ event conv::test(x: connection,
     print h;
     print i;
     print fmt("%f", j), type_name(j); # print as float as interval format differs between versions
+    print k;
     print r;
     print s;
     print t;
     print v;
     print l;
     print m;
+    print n;
     }