diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c
index e8d35bd95cc7..6178354fbb74 100644
--- a/drivers/staging/greybus/tools/loopback_test.c
+++ b/drivers/staging/greybus/tools/loopback_test.c
@@ -17,7 +17,7 @@
 #include <unistd.h>
 #include <dirent.h>
 
-#define MAX_NUM_DEVICES 50
+#define MAX_NUM_DEVICES 10
 #define MAX_SYSFS_PATH	0x200
 #define CSV_MAX_LINE	0x1000
 #define SYSFS_MAX_INT	0x20