diff --git a/examples/pn53x-tamashell.c b/examples/pn53x-tamashell.c
index e817145..8a6f575 100644
--- a/examples/pn53x-tamashell.c
+++ b/examples/pn53x-tamashell.c
@@ -50,11 +50,11 @@
 #ifndef _WIN32
 #  include <time.h>
 #  define msleep(x) do { \
-     struct timespec xsleep; \
-     xsleep.tv_sec = x / 1000; \
-     xsleep.tv_nsec = (x - xsleep.tv_sec * 1000) * 1000 * 1000; \
-     nanosleep(&xsleep, NULL); \
-   } while (0)
+    struct timespec xsleep; \
+    xsleep.tv_sec = x / 1000; \
+    xsleep.tv_nsec = (x - xsleep.tv_sec * 1000) * 1000 * 1000; \
+    nanosleep(&xsleep, NULL); \
+  } while (0)
 #else
 #  include <winbase.h>
 #  define msleep Sleep