diff --git a/libc/bionic/spawn.cpp b/libc/bionic/spawn.cpp
index 7e80ef6..5cf95d8 100644
--- a/libc/bionic/spawn.cpp
+++ b/libc/bionic/spawn.cpp
@@ -340,7 +340,7 @@
   if (action == nullptr) return errno;
 
   action->next = nullptr;
-  if (path != nullptr) {
+  if (what == kOpen) {
     action->path = strdup(path);
     if (action->path == nullptr) {
       free(action);