diff --git a/packages/libs/nanox-master b/packages/libs/nanox-master
index 3c25e2c..88c7bae 100644
--- a/packages/libs/nanox-master
+++ b/packages/libs/nanox-master
@@ -28,7 +28,7 @@ P=${PACKAGE}-${VERSION}
 SRCDIR="$SRC_POOL/nanox/nanox.git"
 
 # enable instrumentation (0|1)
-enable_instrumentation=${instrumentation:=0}
+enable_instrumentation=${enable_instrumentation:=0}
 # build with ayudame support (0|1)
 enable_ayudame=${enable_ayudame:=0}
 # build with debugging symbols (0|1)