diff --git a/dlls/shlwapi/reg.c b/dlls/shlwapi/reg.c
index 9f652c9df92..55952badb9f 100644
--- a/dlls/shlwapi/reg.c
+++ b/dlls/shlwapi/reg.c
@@ -1155,7 +1155,7 @@ DWORD WINAPI SHGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue,
  *   Success: ERROR_SUCCESS. Output parameters contain the details read.
  *   Failure: An error code from RegOpenKeyExA() or SHQueryValueExA().
  */
-DWORD WINAPI SHRegGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue, DWORD srrfFlags,
+LSTATUS WINAPI SHRegGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue, SRRF srrfFlags,
                          LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
 {
   DWORD dwRet = 0;
@@ -1180,7 +1180,7 @@ DWORD WINAPI SHRegGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue, DWOR
  *
  * See SHGetValueA.
  */
-DWORD WINAPI SHRegGetValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue, DWORD srrfFlags,
+LSTATUS WINAPI SHRegGetValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue, SRRF srrfFlags,
                          LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
 {
   DWORD dwRet = 0;
diff --git a/include/shlwapi.h b/include/shlwapi.h
index eb363457444..fe33a17d012 100644
--- a/include/shlwapi.h
+++ b/include/shlwapi.h
@@ -85,6 +85,34 @@ DWORD WINAPI SHCopyKeyW(HKEY,LPCWSTR,HKEY,DWORD);
 
 HKEY WINAPI  SHRegDuplicateHKey(HKEY);
 
+/* SHRegGetValue flags */
+typedef INT SRRF;
+
+#define SRRF_RT_REG_NONE 0x1
+#define SRRF_RT_REG_SZ 0x2
+#define SRRF_RT_REG_EXPAND_SZ 0x4
+#define SRRF_RT_REG_BINARY 0x8
+#define SRRF_RT_REG_DWORD 0x10
+#define SRRF_RT_REG_MULTI_SZ 0x20
+#define SRRF_RT_REG_QWORD 0x40
+
+#define SRRF_RT_DWORD (SRRF_RT_REG_BINARY|SRRF_RT_REG_DWORD)
+#define SRRF_RT_QWORD (SRRF_RT_REG_BINARY|SRRF_RT_REG_QWORD)
+#define SRRF_RT_ANY 0xffff
+
+#define SRRF_RM_ANY 0
+#define SRRF_RM_NORMAL 0x10000
+#define SRRF_RM_SAFE 0x20000
+#define SRRF_RM_SAFENETWORK 0x40000
+
+#define SRRF_NOEXPAND 0x10000000
+#define SRRF_ZEROONFAILURE 0x20000000
+#define SRRF_NOVIRT 0x40000000
+
+LSTATUS WINAPI SHRegGetValueA(HKEY,LPCSTR,LPCSTR,SRRF,LPDWORD,LPVOID,LPDWORD);
+LSTATUS WINAPI SHRegGetValueW(HKEY,LPCWSTR,LPCWSTR,SRRF,LPDWORD,LPVOID,LPDWORD);
+#define SHRegGetValue WINELIB_NAME_AW(SHRegGetValue)
+
 /* Undocumented registry functions */
 
 DWORD WINAPI SHDeleteOrphanKeyA(HKEY,LPCSTR);