diff --git a/Receivers/unix/scream.c b/Receivers/unix/scream.c
index cf09c49..dd12394 100644
--- a/Receivers/unix/scream.c
+++ b/Receivers/unix/scream.c
@@ -40,6 +40,8 @@
 #include "sndio.h"
 #endif
 
+int verbosity = 0;
+
 static void show_usage(const char *arg0)
 {
   fprintf(stderr, "\n");
diff --git a/Receivers/unix/scream.h b/Receivers/unix/scream.h
index 8e77960..58e734b 100644
--- a/Receivers/unix/scream.h
+++ b/Receivers/unix/scream.h
@@ -24,6 +24,6 @@ typedef struct receiver_data {
   unsigned char* audio;
 } receiver_data_t;
 
-static int verbosity = 0;
+extern int verbosity;
 
 #endif