diff --git a/sdrbase/dsp/scopevis.h b/sdrbase/dsp/scopevis.h
index 950d6b6e2..4db848487 100644
--- a/sdrbase/dsp/scopevis.h
+++ b/sdrbase/dsp/scopevis.h
@@ -41,7 +41,7 @@
 
 class GLScopeInterface;
 
-class SDRGUI_API ScopeVis : public QObject {
+class SDRBASE_API ScopeVis : public QObject {
     Q_OBJECT
 public:
     ScopeVis();