diff --git a/dediprog.c b/dediprog.c
index 519a8b0d6..e5bf84e39 100644
--- a/dediprog.c
+++ b/dediprog.c
@@ -1206,8 +1206,8 @@ static int dediprog_init(void)
 	dp_data->devicetype = DEV_UNKNOWN;
 
 	/* Here comes the USB stuff. */
-	libusb_init(&dp_data->usb_ctx);
-	if (!dp_data->usb_ctx) {
+	ret = libusb_init(&dp_data->usb_ctx);
+	if (ret) {
 		msg_perr("Could not initialize libusb!\n");
 		goto init_err_exit;
 	}
diff --git a/developerbox_spi.c b/developerbox_spi.c
index c84190a38..6308da630 100644
--- a/developerbox_spi.c
+++ b/developerbox_spi.c
@@ -147,8 +147,7 @@ static int developerbox_spi_init(void)
 	struct libusb_context *usb_ctx;
 	libusb_device_handle *cp210x_handle;
 
-	libusb_init(&usb_ctx);
-	if (!usb_ctx) {
+	if (libusb_init(&usb_ctx)) {
 		msg_perr("Could not initialize libusb!\n");
 		return 1;
 	}
diff --git a/stlinkv3_spi.c b/stlinkv3_spi.c
index 4919d48a3..22a0a0634 100644
--- a/stlinkv3_spi.c
+++ b/stlinkv3_spi.c
@@ -485,8 +485,7 @@ static int stlinkv3_spi_init(void)
 	libusb_device_handle *stlinkv3_handle;
 	struct stlinkv3_spi_data *stlinkv3_data;
 
-	libusb_init(&usb_ctx);
-	if (!usb_ctx) {
+	if (libusb_init(&usb_ctx)) {
 		msg_perr("Could not initialize libusb!\n");
 		return 1;
 	}