diff --git a/dlls/mpr/pwcache.c b/dlls/mpr/pwcache.c
index f8d3e322041..a760dd26d25 100644
--- a/dlls/mpr/pwcache.c
+++ b/dlls/mpr/pwcache.c
@@ -56,8 +56,9 @@ static LPSTR MPR_GetValueName( LPCSTR pbResource, WORD cbResource, BYTE nType )
     DWORD  i;
 
     name = HeapAlloc( GetProcessHeap(), 0, 6+cbResource*2 );
-    if( name )
-        sprintf( name, "X-%02X-", nType );
+    if( !name ) return NULL;
+
+    sprintf( name, "X-%02X-", nType );
     for(i=0; i<cbResource; i++)
     {
         name[5+i*2]=hex((pbResource[i]&0xf0)>>4);