diff -Nur busybox-1.2.1/findutils/grep.c busybox-1.2.1/findutils/grep.c
--- busybox-1.2.1/findutils/grep.c	2006-09-25 14:47:51.000000000 -0700
+++ busybox-1.2.1/findutils/grep.c	2006-09-25 14:39:39.000000000 -0700
@@ -51,7 +51,7 @@
 #define GREP_OPT_L (1<<12)
 #define PRINT_FILES_WITHOUT_MATCHES ((opt & GREP_OPT_L) != 0)
 #if ENABLE_FEATURE_GREP_CONTEXT
-#define GREP_OPT_CONTEXT "A:B:C"
+#define GREP_OPT_CONTEXT "A:B:C:"
 #define GREP_OPT_A (1<<13)
 #define GREP_OPT_B (1<<14)
 #define GREP_OPT_C (1<<15)