diff --git a/epan/except.c b/epan/except.c
index f740ebc012..8529a8a24a 100644
--- a/epan/except.c
+++ b/epan/except.c
@@ -139,7 +139,7 @@ void except_deinit(void)
 static int init_counter;
 static void unhandled_catcher(except_t *);
 static void (*uh_catcher_ptr)(except_t *) = unhandled_catcher;
-static void *(*allocator)(size_t) = g_malloc;
+static void *(*allocator)(size_t) = (void *(*)(size_t)) g_malloc;
 static void (*deallocator)(void *) = g_free;
 static struct except_stacknode *stack_top;