diff --git a/c_glib/test/parquet/test-column-chunk-metadata.rb b/c_glib/test/parquet/test-column-chunk-metadata.rb
index f0012f0124577..4612e5bf0cc59 100644
--- a/c_glib/test/parquet/test-column-chunk-metadata.rb
+++ b/c_glib/test/parquet/test-column-chunk-metadata.rb
@@ -77,7 +77,7 @@ def setup
 
   test("#file_offset") do
     assert do
-      @metadata.file_offset > 0
+      @metadata.file_offset == 0
     end
   end