diff --git a/.bin/obsdmake b/.bin/obsdmake
index 1bfb3ca..4167e1b 100755
--- a/.bin/obsdmake
+++ b/.bin/obsdmake
@@ -16,7 +16,11 @@ export CCACHE_NOHASHDIR=
 export CMAKE_CXX_COMPILER_LAUNCHER=ccache
 export CMAKE_C_COMPILER_LAUNCHER=ccache
 
-FLAGS="-fno-stack-protector -fno-ret-protector -mno-retpoline -march=native"
+if [ ! -z $INSECURE_PERF_FLAGS ]
+then
+    FLAGS="-fno-stack-protector -fno-ret-protector -mno-retpoline -march=native"
+fi
+
 export CC="/opt/ccache/bin/cc $FLAGS"
 export CXX="/opt/ccache/bin/c++ $FLAGS"