diff --git a/crates/hir-def/src/expr.rs b/crates/hir-def/src/expr.rs
index 97681abab1f..bc060858946 100644
--- a/crates/hir-def/src/expr.rs
+++ b/crates/hir-def/src/expr.rs
@@ -52,7 +52,7 @@ impl FloatTypeWrapper {
 
 impl std::fmt::Display for FloatTypeWrapper {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}", f64::from_bits(self.0))
+        write!(f, "{:?}", f64::from_bits(self.0))
     }
 }
 
diff --git a/crates/ide/src/hover/tests.rs b/crates/ide/src/hover/tests.rs
index 07f224da66c..c95a0e40054 100644
--- a/crates/ide/src/hover/tests.rs
+++ b/crates/ide/src/hover/tests.rs
@@ -3634,7 +3634,7 @@ const FOO$0: f32 = 1f32;
             ```
 
             ```rust
-            const FOO: f32 = 1
+            const FOO: f32 = 1.0
             ```
 
             ---
@@ -3656,7 +3656,7 @@ const FOO$0: f64 = 1.0f64;
             ```
 
             ```rust
-            const FOO: f64 = 1
+            const FOO: f64 = 1.0
             ```
 
             ---