diff --git a/src/namespace.c b/src/namespace.c
index 15fc5ed27fbd61c35d3d975cd3b45bcbc7ca1d24..0c234526178b613853e8b3aa8c4c851fa6af643a 100644
--- a/src/namespace.c
+++ b/src/namespace.c
@@ -61,7 +61,7 @@ static const union namespaceSwitchValue
   defaultSwitches_[NUM_NAMESPACE_SWITCH] = defaultSwitches;
 #endif
 
-struct Namespace
+static struct Namespace
 {
   statusCode resStage;
   union namespaceSwitchValue switches[NUM_NAMESPACE_SWITCH];
@@ -70,7 +70,7 @@ struct Namespace
   .switches = defaultSwitches
 };
 
-struct Namespace *namespaces = &initialNamespace;
+static struct Namespace *namespaces = &initialNamespace;
 
 static int namespacesSize = 1;