diff --git a/src/kits/locale/Language.cpp b/src/kits/locale/Language.cpp
index 95b303f429..9c0b8c2805 100644
--- a/src/kits/locale/Language.cpp
+++ b/src/kits/locale/Language.cpp
@@ -66,7 +66,7 @@ BLanguage::SetTo(const char* language)
 	if (fICULocale == NULL)
 		return B_NO_MEMORY;
 
-	if (fICULocale->IsBogus())
+	if (fICULocale->isBogus())
 		return B_BAD_VALUE;
 
 	return B_OK;