diff --git a/dlls/shell32/shfldr.h b/dlls/shell32/shfldr.h
index d73bb5d23ab..cb455686616 100644
--- a/dlls/shell32/shfldr.h
+++ b/dlls/shell32/shfldr.h
@@ -13,7 +13,7 @@
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
-< * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
@@ -47,9 +47,9 @@ HRESULT SHELL32_BindToChild (LPCITEMIDLIST pidlRoot,
 
 HRESULT SHELL32_CompareIDs (IShellFolder * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
 
-static inline void SHELL32_GUIDToStringA (REFGUID guid, LPSTR str)
+static inline int SHELL32_GUIDToStringA (REFGUID guid, LPSTR str)
 {
-    sprintf(str, "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
+    return sprintf(str, "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
             guid->Data1, guid->Data2, guid->Data3,
             guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
             guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);