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-rw-r--r--scd/scdaemon.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/scd/scdaemon.c b/scd/scdaemon.c
index c75e87a62..c6995abcc 100644
--- a/scd/scdaemon.c
+++ b/scd/scdaemon.c
@@ -456,7 +456,9 @@ main (int argc, char **argv )
allow_coredump = 1;
break;
case oDebugCCIDDriver:
+#ifdef HAVE_LIBUSB
ccid_set_debug_level (ccid_set_debug_level (-1)+1);
+#endif /*HAVE_LIBUSB*/
break;
case oDebugDisableTicker: ticker_disabled = 1; break;