diff --git a/src/wrap.c b/src/wrap.c
index 51c35e2d68be6d7aa33efbcba7791675d3eb0655..82e941e06d7fd729c9d83bddb8408086be615df2 100644
--- a/src/wrap.c
+++ b/src/wrap.c
@@ -2469,7 +2469,7 @@ main (int argc,
 
   /* Put Steam Runtime environment variables back, if /usr is mounted
    * from the host. */
-  if (opt_runtime == NULL && opt_runtime[0] != '\0')
+  if (opt_runtime == NULL || opt_runtime[0] == '\0')
     {
       g_debug ("Making Steam Runtime available...");