diff --git a/core/math/random_number_generator.h b/core/math/random_number_generator.h
index 9352bae0a675..bf67154cd6c8 100644
--- a/core/math/random_number_generator.h
+++ b/core/math/random_number_generator.h
@@ -57,7 +57,7 @@ public:
 	_FORCE_INLINE_ real_t randfn(real_t p_mean = 0.0, real_t p_deviation = 1.0) { return randbase.randfn(p_mean, p_deviation); }
 	_FORCE_INLINE_ int randi_range(int p_from, int p_to) { return randbase.random(p_from, p_to); }
 
-	RandomNumberGenerator() {}
+	RandomNumberGenerator() { randbase.randomize(); }
 };
 
 #endif // RANDOM_NUMBER_GENERATOR_H
diff --git a/doc/classes/RandomNumberGenerator.xml b/doc/classes/RandomNumberGenerator.xml
index b8a290381faf..a6254788ce9f 100644
--- a/doc/classes/RandomNumberGenerator.xml
+++ b/doc/classes/RandomNumberGenerator.xml
@@ -10,10 +10,9 @@
 		[codeblock]
 		var rng = RandomNumberGenerator.new()
 		func _ready():
-		    rng.randomize()
 		    var my_random_number = rng.randf_range(-10.0, 10.0)
 		[/codeblock]
-		[b]Note:[/b] The default values of [member seed] and [member state] properties are pseudo-random, and changes when calling [method randomize]. The [code]0[/code] value documented here is a placeholder, and not the actual default seed.
+		[b]Note:[/b] The default values of [member seed] and [member state] properties are pseudo-random, and change when calling [method randomize]. The [code]0[/code] value documented here is a placeholder, and not the actual default seed.
 	</description>
 	<tutorials>
 		<link title="Random number generation">$DOCS_URL/tutorials/math/random_number_generation.html</link>