1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/ast.h b/src/glsl/ast.h
index a77b522705..1420f234b6 100644
--- a/src/glsl/ast.h
+++ b/src/glsl/ast.h
@@ -129,6 +129,7 @@ protected:
     * be created.
     */
    ast_node(void);
+   virtual ~ast_node() {}
 };