diff --git a/src/basic/virt.c b/src/basic/virt.c
index 07831634da..f567696265 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -462,13 +462,14 @@ int detect_container(void) {
                 goto finish;
         }
 
-        /* "Official" way of detecting WSL https://github.com/Microsoft/WSL/issues/423#issuecomment-221627364 */
+        /* "Official" way of detecting WSL https://github.com/Microsoft/WSL/issues/423#issuecomment-221627364,
+         * ... and a working one, since the official one doesn't actually work ;(
+         */
         r = read_one_line_file("/proc/sys/kernel/osrelease", &o);
-        if (r >= 0) {
-                if (strstr(o, "Microsoft") || strstr(o, "WSL")) {
-                        r = VIRTUALIZATION_WSL;
-                        goto finish;
-                }
+        if (r >= 0 &&
+            (strstr(o, "Microsoft") || strstr(o, "microsoft") || strstr(o, "WSL"))) {
+                r = VIRTUALIZATION_WSL;
+                goto finish;
         }
 
         if (getpid_cached() == 1) {