diff --git a/configure b/configure
index f3c87a31e..5fa4276b3 100755
--- a/configure
+++ b/configure
@@ -23033,7 +23033,7 @@ $as_echo "#define HAVE_INOTIFY 1" >>confdefs.h
                 ;;
         esac
     fi
-    LIBS="save_$LIBS"
+    LIBS="$save_LIBS"
 }
 
 CheckIBus()
diff --git a/configure.ac b/configure.ac
index 172e7dbf6..623581c82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2741,7 +2741,7 @@ CheckInotify()
                 ;;
         esac
     fi
-    LIBS="save_$LIBS"
+    LIBS="$save_LIBS"
 }
 
 dnl See if the platform has libibus IME support.