diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index 393cde5a55e..1a92c89463f 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -2155,14 +2155,17 @@ BOOL WINAPI InternetTimeToSystemTimeW( LPCWSTR string, SYSTEMTIME* time, DWORD r
 
     TRACE( "%s %p 0x%08lx\n", debugstr_w(string), time, reserved );
 
-    if (!string || !time || reserved != 0) return FALSE;
+    if (!string || !time) return FALSE;
+
+    /* Windows does this too */
+    GetSystemTime( time );
 
     /*  Convert an RFC1123 time such as 'Fri, 07 Jan 2005 12:06:35 GMT' into
      *  a SYSTEMTIME structure.
      */
 
     while (*s && !isalphaW( *s )) s++;
-    if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return FALSE;
+    if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
     time->wDayOfWeek = 7;
 
     for (i = 0; i < 7; i++)
@@ -2176,12 +2179,12 @@ BOOL WINAPI InternetTimeToSystemTimeW( LPCWSTR string, SYSTEMTIME* time, DWORD r
         }
     }
 
-    if (time->wDayOfWeek > 6) return FALSE;
+    if (time->wDayOfWeek > 6) return TRUE;
     while (*s && !isdigitW( *s )) s++;
     time->wDay = strtolW( s, &s, 10 );
 
     while (*s && !isalphaW( *s )) s++;
-    if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return FALSE;
+    if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
     time->wMonth = 0;
 
     for (i = 0; i < 12; i++)
@@ -2194,22 +2197,22 @@ BOOL WINAPI InternetTimeToSystemTimeW( LPCWSTR string, SYSTEMTIME* time, DWORD r
             break;
         }
     }
-    if (time->wMonth == 0) return FALSE;
+    if (time->wMonth == 0) return TRUE;
 
     while (*s && !isdigitW( *s )) s++;
-    if (*s == '\0') return FALSE;
+    if (*s == '\0') return TRUE;
     time->wYear = strtolW( s, &s, 10 );
 
     while (*s && !isdigitW( *s )) s++;
-    if (*s == '\0') return FALSE;
+    if (*s == '\0') return TRUE;
     time->wHour = strtolW( s, &s, 10 );
 
     while (*s && !isdigitW( *s )) s++;
-    if (*s == '\0') return FALSE;
+    if (*s == '\0') return TRUE;
     time->wMinute = strtolW( s, &s, 10 );
 
     while (*s && !isdigitW( *s )) s++;
-    if (*s == '\0') return FALSE;
+    if (*s == '\0') return TRUE;
     time->wSecond = strtolW( s, &s, 10 );
 
     time->wMilliseconds = 0;
diff --git a/dlls/wininet/tests/http.c b/dlls/wininet/tests/http.c
index 8821647fe6c..fee29e4beaf 100644
--- a/dlls/wininet/tests/http.c
+++ b/dlls/wininet/tests/http.c
@@ -427,6 +427,18 @@ static void InternetTimeToSystemTimeW_test()
                                      '1','2',' ','0','6',' ','3','5',0 };
     static const WCHAR string3[] = { 'F','r',0 };
 
+    ret = InternetTimeToSystemTimeW( NULL, NULL, 0 );
+    ok( !ret, "InternetTimeToSystemTimeW succeeded (%ld)\n", GetLastError() );
+
+    ret = InternetTimeToSystemTimeW( NULL, &time, 0 );
+    ok( !ret, "InternetTimeToSystemTimeW succeeded (%ld)\n", GetLastError() );
+
+    ret = InternetTimeToSystemTimeW( string, NULL, 0 );
+    ok( !ret, "InternetTimeToSystemTimeW succeeded (%ld)\n", GetLastError() );
+
+    ret = InternetTimeToSystemTimeW( string, &time, 1 );
+    ok( ret, "InternetTimeToSystemTimeW failed (%ld)\n", GetLastError() );
+
     ret = InternetTimeToSystemTimeW( string, &time, 0 );
     ok( ret, "InternetTimeToSystemTimeW failed (%ld)\n", GetLastError() );
     ok( !memcmp( &time, &expect, sizeof(expect) ),
@@ -438,9 +450,7 @@ static void InternetTimeToSystemTimeW_test()
         "InternetTimeToSystemTimeW failed (%ld)\n", GetLastError() );
 
     ret = InternetTimeToSystemTimeW( string3, &time, 0 );
-    todo_wine {
-        ok( ret, "InternetTimeToSystemTimeW succeeds on (%ld), string3='Fr'", GetLastError() );
-    }
+    ok( ret, "InternetTimeToSystemTimeW failed (%ld)\n", GetLastError() );
 }
 
 START_TEST(http)