diff --git a/dlls/mshtml/htmlstyle.c b/dlls/mshtml/htmlstyle.c
index 0ac98b4991..9bad1a69cd 100644
--- a/dlls/mshtml/htmlstyle.c
+++ b/dlls/mshtml/htmlstyle.c
@@ -134,6 +134,8 @@ static const WCHAR attrMinHeight[] =
     {'m','i','n','-','h','e','i','g','h','t',0};
 static const WCHAR attrOverflow[] =
     {'o','v','e','r','f','l','o','w',0};
+static const WCHAR attrOverflowX[] =
+    {'o','v','e','r','f','l','o','w','-','x',0};
 static const WCHAR attrPadding[] =
     {'p','a','d','d','i','n','g',0};
 static const WCHAR attrPaddingBottom[] =
@@ -229,6 +231,7 @@ static const style_tbl_entry_t style_tbl[] = {
     {attrMarginTop,            DISPID_IHTMLSTYLE_MARGINTOP},
     {attrMinHeight,            DISPID_IHTMLSTYLE4_MINHEIGHT},
     {attrOverflow,             DISPID_IHTMLSTYLE_OVERFLOW},
+    {attrOverflowX,            DISPID_IHTMLSTYLE2_OVERFLOWX},
     {attrPadding,              DISPID_IHTMLSTYLE_PADDING},
     {attrPaddingBottom,        DISPID_IHTMLSTYLE_PADDINGBOTTOM},
     {attrPaddingLeft,          DISPID_IHTMLSTYLE_PADDINGLEFT},
diff --git a/dlls/mshtml/htmlstyle.h b/dlls/mshtml/htmlstyle.h
index ef4f2a256a..2626eb6a71 100644
--- a/dlls/mshtml/htmlstyle.h
+++ b/dlls/mshtml/htmlstyle.h
@@ -83,6 +83,7 @@ typedef enum {
     STYLEID_MARGIN_TOP,
     STYLEID_MIN_HEIGHT,
     STYLEID_OVERFLOW,
+    STYLEID_OVERFLOW_X,
     STYLEID_PADDING,
     STYLEID_PADDING_BOTTOM,
     STYLEID_PADDING_LEFT,
diff --git a/dlls/mshtml/htmlstyle2.c b/dlls/mshtml/htmlstyle2.c
index d85ea97828..05668f9269 100644
--- a/dlls/mshtml/htmlstyle2.c
+++ b/dlls/mshtml/htmlstyle2.c
@@ -507,15 +507,19 @@ static HRESULT WINAPI HTMLStyle2_get_textAutospace(IHTMLStyle2 *iface, BSTR *p)
 static HRESULT WINAPI HTMLStyle2_put_overflowX(IHTMLStyle2 *iface, BSTR v)
 {
     HTMLStyle *This = impl_from_IHTMLStyle2(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+
+    return set_nsstyle_attr(This->nsstyle, STYLEID_OVERFLOW_X, v, 0);
 }
 
 static HRESULT WINAPI HTMLStyle2_get_overflowX(IHTMLStyle2 *iface, BSTR *p)
 {
     HTMLStyle *This = impl_from_IHTMLStyle2(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    return get_nsstyle_attr(This->nsstyle, STYLEID_OVERFLOW_X, p, 0);
 }
 
 static HRESULT WINAPI HTMLStyle2_put_overflowY(IHTMLStyle2 *iface, BSTR v)
diff --git a/dlls/mshtml/tests/style.c b/dlls/mshtml/tests/style.c
index 6a31665ca0..280595ed11 100644
--- a/dlls/mshtml/tests/style.c
+++ b/dlls/mshtml/tests/style.c
@@ -344,6 +344,22 @@ static void test_style2(IHTMLStyle2 *style2)
     hres = IHTMLStyle2_get_bottom(style2, &v);
     ok(hres == S_OK, "get_bottom failed: %08x\n", hres);
     test_var_bstr(&v, "4px");
+
+    /* overflowX */
+    str = (void*)0xdeadbeef;
+    hres = IHTMLStyle2_get_overflowX(style2, &str);
+    ok(hres == S_OK, "get_overflowX failed: %08x\n", hres);
+    ok(!str, "overflowX = %s\n", wine_dbgstr_w(str));
+
+    str = a2bstr("hidden");
+    hres = IHTMLStyle2_put_overflowX(style2, str);
+    ok(hres == S_OK, "put_overflowX failed: %08x\n", hres);
+    SysFreeString(str);
+
+    str = NULL;
+    hres = IHTMLStyle2_get_overflowX(style2, &str);
+    ok(hres == S_OK, "get_overflowX failed: %08x\n", hres);
+    ok(!strcmp_wa(str, "hidden"), "overflowX = %s\n", wine_dbgstr_w(str));
 }
 
 static void test_style3(IHTMLStyle3 *style3)