--- ./src/helpers.c	2020-08-02 15:51:32.000000000 +0800
+++ ./src.mod/helpers.c	2022-03-21 21:23:47.300854469 +0800
@@ -124,7 +124,7 @@
 	int tempfd;
 	char *runtime_dir = getenv(RUNTIME_DIR_ENV);
 	if (runtime_dir == NULL) {
-		runtime_dir = "/tmp";
+		runtime_dir = "@TERMUX_PREFIX@/tmp";
 	}
 
 	char *fifo_path = malloc(strlen(runtime_dir)+1+strlen(template)+1);