diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index ca6efd44ed..526b95da6f 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -964,6 +964,7 @@ OsVendorInit(void)
     }
 #endif
 #endif
+    xf86UnblockSIGIO(0);
 
     beenHere = TRUE;
 }