diff --git a/source/common/scripting/core/maps.cpp b/source/common/scripting/core/maps.cpp
index bb7cd369bb8..28fda643e88 100644
--- a/source/common/scripting/core/maps.cpp
+++ b/source/common/scripting/core/maps.cpp
@@ -162,7 +162,15 @@ template<typename M> void MapInsert(M * self, expand_types_vm<typename M::KeyTyp
         MAP_GC_WRITE_BARRIER(self);
         GC::WriteBarrier(value);
     }
-    self->Insert(key, value);
+
+    if constexpr(std::is_same_v<typename M::ValueType, float>)
+    {
+        self->Insert(key,static_cast<float>(value));
+    }
+    else
+    {
+        self->Insert(key, value);
+    }
     self->info->rev++; // invalidate iterators
 }
 
@@ -246,7 +254,15 @@ template<typename I> void MapIteratorSetValue(I * self, expand_types_vm<typename
         GC::WriteBarrier(val);
         GC::WriteBarrier(value);
     }
-    val = value;
+
+    if constexpr(std::is_same_v<typename I::ValueType, float>)
+    {
+        val = static_cast<float>(value);
+    }
+    else
+    {
+        val = value;
+    }
 }
 
 
diff --git a/source/common/scripting/core/types.cpp b/source/common/scripting/core/types.cpp
index 702277e892c..838275dad50 100644
--- a/source/common/scripting/core/types.cpp
+++ b/source/common/scripting/core/types.cpp
@@ -2399,10 +2399,6 @@ void PMap::Construct(void * addr) const {
 
 void PMap::InitializeValue(void *addr, const void *def) const
 {
-	if (def != nullptr)
-	{
-		I_Error("Map cannot have default values");
-	}
 	Construct(addr);
 }
 
@@ -2475,7 +2471,6 @@ void PMap::DestroyValue(void *addr) const
 
 void PMap::SetDefaultValue(void *base, unsigned offset, TArray<FTypeAndOffset> *special)
 {
-	assert(!(base && special));
 	if (base != nullptr)
 	{
 		Construct(((uint8_t*)base)+offset); // is this needed? string/dynarray do this initialization if base != nullptr, but their initialization doesn't need to allocate
@@ -2603,7 +2598,7 @@ template<typename M>
 static bool PMapValueReader(FSerializer &ar, M *map, const PMap *m)
 {
 	const char * k;
-	while(k = ar.GetKey())
+	while((k = ar.GetKey()))
 	{
 		typename M::ValueType * val;
 		if constexpr(std::is_same_v<typename M::KeyType,FString>)
@@ -2868,10 +2863,6 @@ void PMapIterator::Construct(void * addr) const {
 
 void PMapIterator::InitializeValue(void *addr, const void *def) const
 {
-	if (def != nullptr)
-	{
-		I_Error("Map cannot have default values");
-	}
 	Construct(addr);
 }
 
@@ -2944,7 +2935,6 @@ void PMapIterator::DestroyValue(void *addr) const
 
 void PMapIterator::SetDefaultValue(void *base, unsigned offset, TArray<FTypeAndOffset> *special)
 {
-	assert(!(base && special));
 	if (base != nullptr)
 	{
 		Construct(((uint8_t*)base)+offset);