diff --git a/clang/lib/Driver/ToolChains/AVR.cpp b/clang/lib/Driver/ToolChains/AVR.cpp
index 18c6f41e22b1..cebf9d13a4ce 100644
--- a/clang/lib/Driver/ToolChains/AVR.cpp
+++ b/clang/lib/Driver/ToolChains/AVR.cpp
@@ -298,6 +298,7 @@ llvm::Optional<unsigned> GetMCUSectionAddressData(StringRef MCUName) {
 }
 
 const StringRef PossibleAVRLibcLocations[] = {
+    "/avr",
     "/usr/avr",
     "/usr/lib/avr",
 };