diff --git a/apps/mosquitto_signal/signal_windows.c b/apps/mosquitto_signal/signal_windows.c
index 214eea8c..3a4fd33f 100644
--- a/apps/mosquitto_signal/signal_windows.c
+++ b/apps/mosquitto_signal/signal_windows.c
@@ -34,7 +34,7 @@ Contributors:
 #include "config.h"
 
 
-static const char *msig_to_string(enum mosq_sig msig)
+static const char *msig_to_string(enum mosq_signal msig)
 {
 	switch(msig){
 		case MSIG_CONFIG_RELOAD: