1 files changed, 9 insertions, 1 deletions
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h
index 4c3a3ba16c..24341d964d 100644
--- a/scene/resources/particles_material.h
+++ b/scene/resources/particles_material.h
@@ -109,6 +109,14 @@ private:
 
 		uint32_t key = 0;
 
+		static uint32_t hash(const MaterialKey &p_key) {
+			return hash_djb2_one_32(p_key.key);
+		}
+
+		bool operator==(const MaterialKey &p_key) const {
+			return key == p_key.key;
+		}
+
 		bool operator<(const MaterialKey &p_key) const {
 			return key < p_key.key;
 		}
@@ -119,7 +127,7 @@ private:
 		int users = 0;
 	};
 
-	static Map<MaterialKey, ShaderData> shader_map;
+	static HashMap<MaterialKey, ShaderData, MaterialKey> shader_map;
 
 	MaterialKey current_key;