diff --git a/addons/procedural_material/common.shader b/addons/procedural_material/common.shader
index e912d38..f235cc4 100644
--- a/addons/procedural_material/common.shader
+++ b/addons/procedural_material/common.shader
@@ -17,7 +17,7 @@ float wave_sin(float x) {
 	return 0.5-0.5*cos(3.1415928*2.0*x);
 }
 
-float wave_saw(float x) {
+float wave_triangle(float x) {
 	x = fract(x);
 	return min(2.0*x, 2.0-2.0*x);
 }
diff --git a/addons/procedural_material/nodes/pattern.gd b/addons/procedural_material/nodes/pattern.gd
index 7a7ec12..9df59c8 100644
--- a/addons/procedural_material/nodes/pattern.gd
+++ b/addons/procedural_material/nodes/pattern.gd
@@ -7,7 +7,7 @@ var x_scale = 4.0
 var y_wave = 0
 var y_scale = 4.0
 
-const WAVE_FCT = [ "wave_sin", "wave_saw", "wave_square" ]
+const WAVE_FCT = [ "wave_sin", "wave_triangle", "wave_square", "fract" ]
 const MIX_FCT = [ "mix_multiply", "mix_add", "mix_max", "mix_min", "mix_xor", "mix_pow" ]
 
 func _ready():
diff --git a/addons/procedural_material/nodes/pattern.tscn b/addons/procedural_material/nodes/pattern.tscn
index e4d969b..d260e00 100644
--- a/addons/procedural_material/nodes/pattern.tscn
+++ b/addons/procedural_material/nodes/pattern.tscn
@@ -181,7 +181,7 @@ group = null
 text = "Sine"
 flat = false
 align = 0
-items = [ "Sine", null, false, 0, null, "Saw", null, false, 1, null, "Square", null, false, 2, null ]
+items = [ "Sine", null, false, 0, null, "Triangle", null, false, 1, null, "Square", null, false, 2, null, "Sawtooth", null, false, 3, null ]
 selected = 0
 _sections_unfolded = [ "Rect" ]
 
@@ -276,7 +276,7 @@ group = null
 text = "Sine"
 flat = false
 align = 0
-items = [ "Sine", null, false, 0, null, "Saw", null, false, 1, null, "Square", null, false, 2, null ]
+items = [ "Sine", null, false, 0, null, "Triangle", null, false, 1, null, "Square", null, false, 2, null, "Sawtooth", null, false, 3, null ]
 selected = 0
 _sections_unfolded = [ "Rect" ]