diff --git a/src/main.c b/src/main.c
index c3991cd..591ef78 100644
--- a/src/main.c
+++ b/src/main.c
@@ -454,6 +454,7 @@ int main(int argc, char** argv) {
 
 	if(strcmp(get_exec_name(argv[0]), "dmenu") == 0) {
 		map_put(config, "mode", "dmenu");
+		cache_file = "/dev/null";
 	} else if(mode != NULL) {
 		map_put(config, "mode", mode);
 	} else if(map_get(config, "mode") == NULL) {