diff --git a/src/add-ons/kernel/drivers/graphics/intel_extreme/device.cpp b/src/add-ons/kernel/drivers/graphics/intel_extreme/device.cpp
index dcd989de4d..a423fdb5b5 100644
--- a/src/add-ons/kernel/drivers/graphics/intel_extreme/device.cpp
+++ b/src/add-ons/kernel/drivers/graphics/intel_extreme/device.cpp
@@ -136,14 +136,14 @@ device_open(const char* name, uint32 /*flags*/, void** _cookie)
 		}
 	}
 
-	mutex_unlock(&gLock);
-
 	if (info->init_status == B_OK) {
 		info->open_count++;
 		*_cookie = info;
 	} else
 		ERROR("%s: initialization failed!\n", __func__);
 
+	mutex_unlock(&gLock);
+
 	return info->init_status;
 }