diff --git a/fixed_wide/src/tests.rs b/fixed_wide/src/tests.rs
index 22002a2..34afcc8 100644
--- a/fixed_wide/src/tests.rs
+++ b/fixed_wide/src/tests.rs
@@ -17,9 +17,9 @@ fn to_f32(){
 	let a=I256F256::from(0);
 	let f:f32=(-a).into();
 	assert_eq!(f,0f32);
-	let a=I256F256::from(237946589723468975i64)<<32;
+	let a=I256F256::from(237946589723468975i64)<<16;
 	let f:f32=a.into();
-	assert_eq!(f,237946589723468975f32*2.0f32.powi(32));
+	assert_eq!(f,237946589723468975f32*2.0f32.powi(16));
 }
 
 #[test]
@@ -32,9 +32,9 @@ fn to_f64(){
 	let a=I256F256::from(0);
 	let f:f64=(-a).into();
 	assert_eq!(f,0f64);
-	let a=I256F256::from(237946589723468975i64)<<32;
+	let a=I256F256::from(237946589723468975i64)<<16;
 	let f:f64=a.into();
-	assert_eq!(f,237946589723468975f64*2.0f64.powi(32));
+	assert_eq!(f,237946589723468975f64*2.0f64.powi(16));
 }
 
 #[test]