diff --git a/libs/vkd3d-shader/fx.c b/libs/vkd3d-shader/fx.c
index 9ad33f25..57b4ac24 100644
--- a/libs/vkd3d-shader/fx.c
+++ b/libs/vkd3d-shader/fx.c
@@ -129,9 +129,11 @@ static void write_pass(struct hlsl_ir_var *var, struct fx_write_context *fx)
 }
 
 static uint32_t write_fx_4_type(const struct hlsl_type *type, struct fx_write_context *fx);
+static const char * get_fx_4_type_name(const struct hlsl_type *type);
 
 static uint32_t write_type(const struct hlsl_type *type, struct fx_write_context *fx)
 {
+    const struct hlsl_type *element_type;
     struct type_entry *type_entry;
     unsigned int elements_count;
     const char *name;
@@ -140,15 +142,17 @@ static uint32_t write_type(const struct hlsl_type *type, struct fx_write_context
 
     if (type->class == HLSL_CLASS_ARRAY)
     {
-        name = hlsl_get_multiarray_element_type(type)->name;
         elements_count = hlsl_get_multiarray_size(type);
+        element_type = hlsl_get_multiarray_element_type(type);
     }
     else
     {
-        name = type->name;
         elements_count = 0;
+        element_type = type;
     }
 
+    name = get_fx_4_type_name(element_type);
+
     LIST_FOR_EACH_ENTRY(type_entry, &fx->types, struct type_entry, entry)
     {
         if (strcmp(type_entry->name, name))