diff --git a/src/core/os.c b/src/core/os.c
index a9efb05a..ea5d5010 100644
--- a/src/core/os.c
+++ b/src/core/os.c
@@ -395,7 +395,7 @@ typedef struct {
 static JanetEVGenericMessage janet_proc_wait_subr(JanetEVGenericMessage args) {
     JanetProc *proc = (JanetProc *) args.argp;
     WaitForSingleObject(proc->pHandle, INFINITE);
-    GetExitCodeProcess(proc->pHandle, &args.argi);
+    GetExitCodeProcess(proc->pHandle, &args.tag);
     return args;
 }
 
diff --git a/test/suite0011.janet b/test/suite0011.janet
index a4d40495..67fa709e 100644
--- a/test/suite0011.janet
+++ b/test/suite0011.janet
@@ -50,5 +50,9 @@
 
 (assert (= (hash 0) (hash (* -1 0))) "hash -0 same as hash 0")
 
+# os/execute regressions
+(for i 0 10
+  (assert (= i (os/execute [(dyn :executable) "-e" (string/format "(os/exit %d)" i)] :p)) (string "os/execute " i)))
+
 (end-suite)