diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index 48e293d357..b3d99ab535 100644
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -1676,7 +1676,7 @@ wxMBConv_iconv::wxMBConv_iconv(const wxChar *name)
         {
 #if SIZEOF_WCHAR_T == 4
             _T("UCS-4"),
-#elif SIZEOF_WCHAR_T = 2
+#elif SIZEOF_WCHAR_T == 2
             _T("UCS-2"),
 #endif
             NULL