1 files changed, 2 insertions, 0 deletions
diff --git a/SignalsPanel.h b/SignalsPanel.h
index 9ded22f1..0a90b08e 100644
--- a/SignalsPanel.h
+++ b/SignalsPanel.h
@@ -7,6 +7,8 @@ Released under the GNU GPLv2, see the COPYING file
 in the source distribution for its full text.
 */
 
+#include "Panel.h"
+
 typedef struct SignalItem_ {
    const char* name;
    int number;