diff --git a/tools/mkdeps.c b/tools/mkdeps.c
index bf5b5f81dcd..b9dbfb09f85 100644
--- a/tools/mkdeps.c
+++ b/tools/mkdeps.c
@@ -59,7 +59,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define MAX_BUFFER  (4096)
+#define MAX_BUFFER  (8192)
 #define MAX_EXPAND  (2048)
 #define MAX_SHQUOTE (2048)