diff --git a/boil/load_map_key.go b/boil/load_map_key.go
new file mode 100644
index 000000000..659d46e1f
--- /dev/null
+++ b/boil/load_map_key.go
@@ -0,0 +1,17 @@
+package boil
+
+import (
+	"github.com/volatiletech/null/v8"
+)
+
+func GenLoadMapKey(key interface{}) interface{} {
+	switch t := key.(type) {
+	case []byte:
+		return string(t)
+	case null.Bytes:
+		return string(t.Bytes)
+	default:
+		return key
+	}
+
+}
diff --git a/templates/main/07_relationship_to_one_eager.go.tpl b/templates/main/07_relationship_to_one_eager.go.tpl
index ce68d02bb..b6391885e 100644
--- a/templates/main/07_relationship_to_one_eager.go.tpl
+++ b/templates/main/07_relationship_to_one_eager.go.tpl
@@ -37,16 +37,16 @@ func ({{$ltable.DownSingular}}L) Load{{$rel.Foreign}}({{if $.NoContext}}e boil.E
 		}
 	}
 
-	args := make(map[interface{}]struct{})
+	args := make(map[interface{}]interface{})
 	if singular {
 		if object.R == nil {
 			object.R = &{{$ltable.DownSingular}}R{}
 		}
 		{{if $usesPrimitives -}}
-		args[object.{{$col}}] = struct{}{}
+		args[boil.GenLoadMapKey(object.{{$col}})] = object.{{$col}}
 		{{else -}}
 		if !queries.IsNil(object.{{$col}}) {
-			args[object.{{$col}}] = struct{}{}
+			args[boil.GenLoadMapKey(object.{{$col}})] = object.{{$col}}
 		}
 		{{end}}
 	} else {
@@ -56,10 +56,10 @@ func ({{$ltable.DownSingular}}L) Load{{$rel.Foreign}}({{if $.NoContext}}e boil.E
 			}
 
 			{{if $usesPrimitives -}}
-			args[obj.{{$col}}] = struct{}{}
+			args[boil.GenLoadMapKey(obj.{{$col}})] = obj.{{$col}}
 			{{else -}}
 			if !queries.IsNil(obj.{{$col}}) {
-				args[obj.{{$col}}] = struct{}{}
+				args[boil.GenLoadMapKey(obj.{{$col}})] = obj.{{$col}}
 			}
 			{{end}}
 		}
@@ -71,7 +71,7 @@ func ({{$ltable.DownSingular}}L) Load{{$rel.Foreign}}({{if $.NoContext}}e boil.E
 
 	argsSlice := make([]interface{}, len(args))
 	i := 0
-	for arg := range args {
+	for _, arg := range args {
 		argsSlice[i] = arg
 		i++
 	}
diff --git a/templates/main/08_relationship_one_to_one_eager.go.tpl b/templates/main/08_relationship_one_to_one_eager.go.tpl
index 99fec29ba..b8168c15a 100644
--- a/templates/main/08_relationship_one_to_one_eager.go.tpl
+++ b/templates/main/08_relationship_one_to_one_eager.go.tpl
@@ -37,19 +37,19 @@ func ({{$ltable.DownSingular}}L) Load{{$relAlias.Local}}({{if $.NoContext}}e boi
 		}
 	}
 
-	args := make(map[interface{}]struct{})
+	args := make(map[interface{}]interface{})
 	if singular {
 		if object.R == nil {
 			object.R = &{{$ltable.DownSingular}}R{}
 		}
-		args[object.{{$col}}] = struct{}{}
+		args[boil.GenLoadMapKey(object.{{$col}})] = object.{{$col}}
 	} else {
 		for _, obj := range slice {
 			if obj.R == nil {
 				obj.R = &{{$ltable.DownSingular}}R{}
 			}
 
-			args[obj.{{$col}}] = struct{}{}
+			args[boil.GenLoadMapKey(obj.{{$col}})] = obj.{{$col}}
 		}
 	}
 
@@ -59,7 +59,7 @@ func ({{$ltable.DownSingular}}L) Load{{$relAlias.Local}}({{if $.NoContext}}e boi
 
 	argsSlice := make([]interface{}, len(args))
 	i := 0
-	for arg := range args {
+	for _, arg := range args {
 		argsSlice[i] = arg
 		i++
 	}
diff --git a/templates/main/09_relationship_to_many_eager.go.tpl b/templates/main/09_relationship_to_many_eager.go.tpl
index 81643be33..42fcba676 100644
--- a/templates/main/09_relationship_to_many_eager.go.tpl
+++ b/templates/main/09_relationship_to_many_eager.go.tpl
@@ -38,18 +38,18 @@ func ({{$ltable.DownSingular}}L) Load{{$relAlias.Local}}({{if $.NoContext}}e boi
 		}
 	}
 
-	args := make(map[interface{}]struct{})
+	args := make(map[interface{}]interface{})
 	if singular {
 		if object.R == nil {
 			object.R = &{{$ltable.DownSingular}}R{}
 		}
-		args[object.{{$col}}] = struct{}{}
+		args[boil.GenLoadMapKey(object.{{$col}})] = object.{{$col}}
 	} else {
 		for _, obj := range slice {
 			if obj.R == nil {
 				obj.R = &{{$ltable.DownSingular}}R{}
 			}
-			args[obj.{{$col}}] = struct{}{}
+			args[boil.GenLoadMapKey(obj.{{$col}})] = obj.{{$col}}
 		}
 	}
 
@@ -59,7 +59,7 @@ func ({{$ltable.DownSingular}}L) Load{{$relAlias.Local}}({{if $.NoContext}}e boi
 
 	argsSlice := make([]interface{}, len(args))
 	i := 0
-	for arg := range args {
+	for _, arg := range args {
 		argsSlice[i] = arg
 		i++
 	}