diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index 927c47f384a..a09984e6e01 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -1206,7 +1206,7 @@ UINT WINAPI MsiGetFileVersionA(LPCSTR szFilePath, LPSTR lpVersionBuf,
 
     if( lpLangBuf && pcchLangBuf && *pcchLangBuf )
     {
-        lpwLangBuff = msi_alloc(*pcchVersionBuf*sizeof(WCHAR));
+        lpwLangBuff = msi_alloc(*pcchLangBuf*sizeof(WCHAR));
         if( !lpwLangBuff )
             goto end;
     }