diff --git a/dlls/wininet/http.c b/dlls/wininet/http.c
index 76cf41c30c8..9a49a941309 100644
--- a/dlls/wininet/http.c
+++ b/dlls/wininet/http.c
@@ -5167,3 +5167,21 @@ BOOL WINAPI IsHostInProxyBypassList(DWORD flags, LPCSTR szHost, DWORD length)
    FIXME("STUB: flags=%d host=%s length=%d\n",flags,szHost,length);
    return FALSE;
 }
+
+/***********************************************************************
+ *           InternetShowSecurityInfoByURLA (@)
+ */
+BOOL WINAPI InternetShowSecurityInfoByURLA(LPCSTR url, HWND window)
+{
+   FIXME("stub: %s %p\n", url, window);
+   return FALSE;
+}
+
+/***********************************************************************
+ *           InternetShowSecurityInfoByURLW (@)
+ */
+BOOL WINAPI InternetShowSecurityInfoByURLW(LPCWSTR url, HWND window)
+{
+   FIXME("stub: %s %p\n", debugstr_w(url), window);
+   return FALSE;
+}
diff --git a/dlls/wininet/wininet.spec b/dlls/wininet/wininet.spec
index 1300c3d5a79..583b7ba798f 100644
--- a/dlls/wininet/wininet.spec
+++ b/dlls/wininet/wininet.spec
@@ -195,9 +195,9 @@
 @ stdcall InternetSetStatusCallback(ptr ptr) InternetSetStatusCallbackA
 @ stdcall InternetSetStatusCallbackA(ptr ptr)
 @ stdcall InternetSetStatusCallbackW(ptr ptr)
-@ stub InternetShowSecurityInfoByURL
-@ stub InternetShowSecurityInfoByURLA
-@ stub InternetShowSecurityInfoByURLW
+@ stdcall InternetShowSecurityInfoByURL(str ptr) InternetShowSecurityInfoByURLA
+@ stdcall InternetShowSecurityInfoByURLA(str ptr)
+@ stdcall InternetShowSecurityInfoByURLW(wstr ptr)
 @ stdcall InternetTimeFromSystemTime(ptr long ptr long) InternetTimeFromSystemTimeA
 @ stdcall InternetTimeFromSystemTimeA(ptr long ptr long)
 @ stdcall InternetTimeFromSystemTimeW(ptr long ptr long)