diff --git a/Libraries/LibJS/Runtime/MathObject.cpp b/Libraries/LibJS/Runtime/MathObject.cpp
index 613f6cef8f..e1f0fae96e 100644
--- a/Libraries/LibJS/Runtime/MathObject.cpp
+++ b/Libraries/LibJS/Runtime/MathObject.cpp
@@ -49,7 +49,7 @@ MathObject::MathObject()
     put("LOG2E", Value(log2(M_E)));
     put("LOG10E", Value(log10(M_E)));
     put("PI", Value(M_PI));
-    put("SQRT1_2", Value(::sqrt(1 / 2)));
+    put("SQRT1_2", Value(::sqrt(1.0 / 2.0)));
     put("SQRT2", Value(::sqrt(2)));
 }