diff --git a/dlls/jscript/math.c b/dlls/jscript/math.c
index 93e1ee4596c..f2a3d0c3718 100644
--- a/dlls/jscript/math.c
+++ b/dlls/jscript/math.c
@@ -29,7 +29,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(jscript);
 
 static const WCHAR EW[] = {'E',0};
 static const WCHAR LOG2EW[] = {'L','O','G','2','E',0};
-static const WCHAR LOG10EW[] = {'L','O','G','1','0',0};
+static const WCHAR LOG10EW[] = {'L','O','G','1','0','E',0};
 static const WCHAR LN2W[] = {'L','N','2',0};
 static const WCHAR LN10W[] = {'L','N','1','0',0};
 static const WCHAR PIW[] = {'P','I',0};
@@ -85,11 +85,12 @@ static HRESULT Math_LOG2E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS
     return math_constant(M_LOG2E, flags, retv);
 }
 
+/* ECMA-262 3rd Edition    15.8.1.4 */
 static HRESULT Math_LOG10E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    TRACE("\n");
+    return math_constant(M_LOG10E, flags, retv);
 }
 
 static HRESULT Math_LN2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
diff --git a/dlls/jscript/tests/api.js b/dlls/jscript/tests/api.js
index 71a15181251..16fba150a87 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -624,4 +624,9 @@ ok(Math.floor(Math.LOG2E*100) === 144, "Math.LOG2E = " + Math.LOG2E);
 Math.LOG2E = "test";
 ok(Math.floor(Math.LOG2E*100) === 144, "modified Math.LOG2E = " + Math.LOG2E);
 
+ok(typeof(Math.LOG10E) === "number", "typeof(Math.LOG10E) = " + typeof(Math.LOG10E));
+ok(Math.floor(Math.LOG10E*100) === 43, "Math.LOG10E = " + Math.LOG10E);
+Math.LOG10E = "test";
+ok(Math.floor(Math.LOG10E*100) === 43, "modified Math.LOG10E = " + Math.LOG10E);
+
 reportSuccess();