diff --git a/src/util/hostusb.c b/src/util/hostusb.c
index 78b601f470..2d6e41482a 100644
--- a/src/util/hostusb.c
+++ b/src/util/hostusb.c
@@ -121,7 +121,7 @@ static int usbFindBusByVendor(unsigned vendor, unsigned product,
             char *tmpstr = de->d_name;
             unsigned found_bus, found_addr;
 
-            if (STREQ(de->d_name, "usb"))
+            if (STRPREFIX(de->d_name, "usb"))
                 tmpstr += 3;
 
             if (virStrToLong_ui(tmpstr, &ignore, 10, &found_bus) < 0) {