diff --git a/fuse/main.c b/fuse/main.c
index 7fbcf99..026c144 100644
--- a/fuse/main.c
+++ b/fuse/main.c
@@ -17,6 +17,8 @@
  */
 
 #define _POSIX_C_SOURCE 200809L // for strdup and struct timespec
+#define _BSD_SOURCE             // for strdup on old systems
+#define _GNU_SOURCE             // for getline on old systems
 
 #define FUSE_USE_VERSION 30