diff --git a/firmware/export/logf.h b/firmware/export/logf.h
index 7e9b27ab0a..0d94d14156 100644
--- a/firmware/export/logf.h
+++ b/firmware/export/logf.h
@@ -19,6 +19,7 @@
 #ifndef LOGF_H
 #define LOGF_H
 #include <config.h>
+#include <stdbool.h>
 
 #ifdef ROCKBOX_HAS_LOGF