diff --git a/pigpio.c b/pigpio.c
index 2d80aed..c9688ba 100644
--- a/pigpio.c
+++ b/pigpio.c
@@ -13582,8 +13582,8 @@ unsigned gpioHardwareRevision(void)
                   }
                }
             }
+            fclose(filp);
          }
-         fclose(filp);
       }
 
       if (rev == 0)