diff --git a/Interop/Indexer/src/main/kotlin/clang/Clang.def b/Interop/Indexer/src/main/kotlin/clang/Clang.def
index 91dfe324588..850db54540c 100644
--- a/Interop/Indexer/src/main/kotlin/clang/Clang.def
+++ b/Interop/Indexer/src/main/kotlin/clang/Clang.def
@@ -5,6 +5,7 @@ headers = clang-c/Index.h
 compiler = clang
 
 compilerOpts = -std=c99 -fPIC
+linkerOpts.linux = -Wl,-z,noexecstack
 
 linker = clang