diff --git a/src/ipa-sil.cpp b/src/ipa-sil.cpp
index b1c2752..fb2ef6a 100644
--- a/src/ipa-sil.cpp
+++ b/src/ipa-sil.cpp
@@ -55,6 +55,11 @@ std::optional<std::string> getIPAForSIL(std::string   baseCharacter,
 		if (silModifier == FcitxKey_equal) return "ɒ";
 	}
 
+	if (baseCharacter == "u") {
+		if (silModifier == FcitxKey_greater) return "ʌ";
+		if (silModifier == FcitxKey_less) return "ʊ";
+	}
+
 	return {};
 }