diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index 0974893d3..ba80acad7 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -962,6 +962,7 @@ OsVendorInit(void)
     }
 #endif
 #endif
+    xf86UnblockSIGIO(0);
 
     beenHere = TRUE;
 }