diff --git a/examples/demo/demo.odin b/examples/demo/demo.odin
index 161d48acb..1ea06d096 100644
--- a/examples/demo/demo.odin
+++ b/examples/demo/demo.odin
@@ -11,6 +11,7 @@ import "core:reflect"
 import "base:runtime"
 import "base:intrinsics"
 import "core:math/big"
+import "core:math/rand"
 
 /*
 	Odin is a general-purpose programming language with distinct typing built
@@ -2258,6 +2259,10 @@ arbitrary_precision_mathematics :: proc() {
 	a, b, c, d, e, f, res := &big.Int{}, &big.Int{}, &big.Int{}, &big.Int{}, &big.Int{}, &big.Int{}, &big.Int{}
 	defer big.destroy(a, b, c, d, e, f, res)
 
+	// Set the context RNG to something that does not require
+	// cryptographic entropy (not supported on all targets).
+	context.random_generator = rand.xoshiro256_random_generator()
+
 	// How many bits should the random prime be?
 	bits   := 64
 	// Number of Rabin-Miller trials, -1 for automatic.