diff --git a/lib/std/math/random.c3 b/lib/std/math/random.c3
index 55b65dcda..ee9288566 100644
--- a/lib/std/math/random.c3
+++ b/lib/std/math/random.c3
@@ -118,7 +118,7 @@ macro bool next_bool(random)
 macro float next_float(random)
 {
 	uint val = random.next_int() & (1 << 24 - 1);
-	return val / (float)(1 << 24);
+	return val * 0x1.0p-24f;
 }
 
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