1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 3053f5488..e3c765674 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -106,7 +106,7 @@ impl BuiltinType {
         (KnownName::U128,  BuiltinType::Int(IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X128 })),
 
         (KnownName::F32, BuiltinType::Float(FloatTy { bitness: FloatBitness::X32 })),
-        (KnownName::F64, BuiltinType::Float(FloatTy { bitness: FloatBitness::X32 })),
+        (KnownName::F64, BuiltinType::Float(FloatTy { bitness: FloatBitness::X64 })),
     ];
 }