diff --git a/server/block/deepslate.go b/server/block/deepslate.go
index 16af0903d..c0e62b09a 100644
--- a/server/block/deepslate.go
+++ b/server/block/deepslate.go
@@ -64,7 +64,11 @@ func (d Deepslate) EncodeBlock() (string, map[string]any) {
 // allDeepslate returns a list of all deepslate block variants.
 func allDeepslate() (s []world.Block) {
 	for _, t := range DeepslateTypes() {
-		for _, axis := range cube.Axes() {
+		axes := []cube.Axis{0}
+		if t == NormalDeepslate() {
+			axes = cube.Axes()
+		}
+		for _, axis := range axes {
 			s = append(s, Deepslate{Type: t, Axis: axis})
 		}
 	}