diff --git a/Makefile b/Makefile
index 459f42a..c59a675 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ build: target/mpfm target/mpfm.service
 
 target/mpfm: mpfm.c
 	mkdir -p target
-	$(CC) -std=gnu99 -O2 mpfm.c -I/usr/include/libusb-1.0 -lusb-1.0 -o target/mpfm
+	$(CC) -std=gnu99 -O2 mpfm.c -lusb-1.0 -o target/mpfm
 
 target/mpfm.service: mpfm.service
 	mkdir -p target
diff --git a/mpfm.c b/mpfm.c
index 3a0faeb..361d88d 100644
--- a/mpfm.c
+++ b/mpfm.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 
 static int count = 0;
 
@@ -13,6 +13,10 @@ int hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
     printf("Entering callback\n"); // DEBUG
     (void)libusb_get_device_descriptor(dev, &desc);
 
+    printf("%04x:%04x (bus %d, device %d)\n",
+        desc.idVendor, desc.idProduct,
+        libusb_get_bus_number(dev), libusb_get_device_address(dev));
+
     if (LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED == event) {
         rc = libusb_open(dev, &dev_handle);
         if (LIBUSB_SUCCESS != rc) {