diff --git a/src/foundation/compat_fs.c b/src/foundation/compat_fs.c
index 746d46781..e5ab57d1b 100644
--- a/src/foundation/compat_fs.c
+++ b/src/foundation/compat_fs.c
@@ -310,8 +310,9 @@ static FILE *cbm_popen_isolated(const char *cmd, const char **stage, DWORD *gle)
         *stage = "cmdline";
         *gle = ERROR_NOT_ENOUGH_MEMORY;
     } else {
-        created = CreateProcessW(app, wcmdline, NULL, NULL, TRUE, EXTENDED_STARTUPINFO_PRESENT,
-                                 NULL, NULL, &si.StartupInfo, &pi);
+        created = CreateProcessW(app, wcmdline, NULL, NULL, TRUE,
+                                 EXTENDED_STARTUPINFO_PRESENT | CREATE_NO_WINDOW, NULL, NULL,
+                                 &si.StartupInfo, &pi);
         if (!created) {
             *stage = "spawn";
             *gle = GetLastError();
diff --git a/src/foundation/subprocess.c b/src/foundation/subprocess.c
index 5f3530f1f..5ff4e1552 100644
--- a/src/foundation/subprocess.c
+++ b/src/foundation/subprocess.c
@@ -730,7 +730,8 @@ static int cbm_subprocess_spawn_win(cbm_subprocess_t *process) {
 
     PROCESS_INFORMATION child;
     ZeroMemory(&child, sizeof(child));
-    DWORD flags = EXTENDED_STARTUPINFO_PRESENT | CREATE_SUSPENDED | CREATE_NEW_PROCESS_GROUP;
+    DWORD flags = EXTENDED_STARTUPINFO_PRESENT | CREATE_SUSPENDED | CREATE_NEW_PROCESS_GROUP |
+                  CREATE_NO_WINDOW;
     BOOL created = CreateProcessW(wbin, wcmdline, NULL, NULL, TRUE, flags, NULL, NULL,
                                   &startup.StartupInfo, &child);
     cbm_win_close_spawn_handles(nul, log, attrs, attrs_init);