diff --git a/src/Update.cpp b/src/Update.cpp
index cee0b7c51..d73eb7e21 100644
--- a/src/Update.cpp
+++ b/src/Update.cpp
@@ -108,7 +108,7 @@ int update_start(char *data, int len)
 
 	return 0;
 #else
-	temp = malloc(strlen(self)+8);
+	temp = (char*)malloc(strlen(self)+8);
 	strcpy(temp, self);
 	strcat(temp, "-update");