diff --git a/owlps-listener/owlps-listener.h b/owlps-listener/owlps-listener.h
index 7d2da05..f3c20a9 100644
--- a/owlps-listener/owlps-listener.h
+++ b/owlps-listener/owlps-listener.h
@@ -192,12 +192,12 @@ void print_version(void) ;
   (cfg_getfloat(cfg, "my_position_z"))
 #endif // USE_PTHREAD
 
-#define SET_VERBOSE() \
-  (cfg_setbool(cfg, "verbose", cfg_true))
-#define UNSET_VERBOSE() \
-  (cfg_setbool(cfg, "verbose", cfg_false))
+#define INCREMENT_VERBOSE() \
+  (cfg_setint(cfg, "verbose", cfg_getint(cfg, "verbose") + 1))
+#define RESET_VERBOSE() \
+  (cfg_setint(cfg, "verbose", 0))
 #define GET_VERBOSE() \
-  (cfg_getbool(cfg, "verbose"))
+  (cfg_getint(cfg, "verbose"))
 #define SET_DISPLAY_CAPTURED() \
   (cfg_setbool(cfg, "display_captured", cfg_true))
 #define UNSET_DISPLAY_CAPTURED() \
@@ -285,10 +285,10 @@ void print_version(void) ;
   (options.my_position_z)
 #endif // USE_PTHREAD
 
-#define SET_VERBOSE() \
-  (options.verbose = TRUE)
-#define UNSET_VERBOSE() \
-  (options.verbose = FALSE)
+#define INCREMENT_VERBOSE() \
+  (++options.verbose)
+#define RESET_VERBOSE() \
+  (options.verbose = 0)
 #define GET_VERBOSE() \
   (options.verbose)
 #define SET_DISPLAY_CAPTURED() \
diff --git a/owlps-listener/owlps-listenerd.c b/owlps-listener/owlps-listenerd.c
index 0e757b4..e7dfd57 100644
--- a/owlps-listener/owlps-listenerd.c
+++ b/owlps-listener/owlps-listenerd.c
@@ -79,7 +79,7 @@ struct {
   float my_position_y ;
   float my_position_z ;
 #endif // USE_PTHREAD
-  owl_bool verbose ;
+  uint_fast8_t verbose ;
   owl_bool display_captured ;
 } options = { // Initalise default options:
   MODE_ACTIVE,
@@ -101,7 +101,7 @@ struct {
   DEFAULT_AUTOCALIBRATION_NBPKT,
   0, 0, 0, 0,
 #endif // USE_PTHREAD
-  FALSE,
+  0,
   FALSE
 } ;
 #endif // USE_CONFIG_FILE
@@ -307,8 +307,8 @@ void parse_config_file(int argc, char **argv)
       // Position Z
       CFG_FLOAT("my_position_z", 0, CFGF_NONE),
 #endif // USE_PTHREAD
-      // Be verbose, or not:
-      CFG_BOOL("verbose", cfg_false, CFGF_NONE),
+      // Verbose level:
+      CFG_INT("verbose", 0, CFGF_NONE),
       // Display captured packets, or not:
       CFG_BOOL("display_captured", cfg_false, CFGF_NONE),
       CFG_END()
@@ -461,7 +461,7 @@ void parse_main_options(int argc, char **argv)
 #endif // USE_PTHREAD
           break ;
         case 'q' :
-          UNSET_VERBOSE() ;
+          RESET_VERBOSE() ;
           break ;
         case 'Q' :
           UNSET_DISPLAY_CAPTURED() ;
@@ -475,7 +475,7 @@ void parse_main_options(int argc, char **argv)
 #endif // USE_PTHREAD
           break ;
         case 'v' :
-          SET_VERBOSE() ;
+          INCREMENT_VERBOSE() ;
           break ;
         case 'V' : // Version
           break ; // (already parsed)