diff --git a/dlls/shlwapi/path.c b/dlls/shlwapi/path.c
index 6bb2777f9d8..549ec124466 100644
--- a/dlls/shlwapi/path.c
+++ b/dlls/shlwapi/path.c
@@ -1305,6 +1305,7 @@ BOOL WINAPI PathIsUNCServerShareA(
 	LPCSTR lpszPath)
 {
 	TRACE("%s\n", debugstr_a(lpszPath));
+	if (!lpszPath) return FALSE;
 	if (lpszPath[0]=='\\' && lpszPath[1]=='\\')		
 	{
 	  int foundbackslash = 0;
@@ -1327,6 +1328,7 @@ BOOL WINAPI PathIsUNCServerShareW(
 	LPCWSTR lpszPath)
 {
 	TRACE("%s\n", debugstr_w(lpszPath));
+	if (!lpszPath) return FALSE;
 	if (lpszPath[0]=='\\' && lpszPath[1]=='\\')		
 	{
 	  int foundbackslash = 0;