diff --git a/src/compiler/glsl/lower_shared_reference.cpp b/src/compiler/glsl/lower_shared_reference.cpp
index beb5d80..6667db3 100644
--- a/src/compiler/glsl/lower_shared_reference.cpp
+++ b/src/compiler/glsl/lower_shared_reference.cpp
@@ -54,7 +54,9 @@
 public:
 
    lower_shared_reference_visitor(struct gl_linked_shader *shader)
-      : list_ctx(ralloc_context(NULL)), shader(shader), shared_size(0u)
+      : buffer_access_type(shared_load_access),
+      list_ctx(ralloc_context(NULL)), shader(shader), shared_size(0u),
+      progress(false)
    {
       list_inithead(&var_offsets);
    }