diff --git a/poi/src/test/java/org/apache/poi/ss/util/TestSheetUtil.java b/poi/src/test/java/org/apache/poi/ss/util/TestSheetUtil.java
index ebc34f53bb..00076995d9 100644
--- a/poi/src/test/java/org/apache/poi/ss/util/TestSheetUtil.java
+++ b/poi/src/test/java/org/apache/poi/ss/util/TestSheetUtil.java
@@ -283,6 +283,11 @@ final class TestSheetUtil {
         }
     }
 
+    @Test
+    void testDefaultIgnoreMissingFontSystem() {
+        assertTrue(SheetUtil.isIgnoreMissingFontSystem());
+    }
+
     @Test
     void testGetCharWidthWithIgnoreEnabled() throws IOException {
         boolean previous = SheetUtil.isIgnoreMissingFontSystem();