diff --git a/src/share/native/sun/font/layout/LookupProcessor.cpp b/src/share/native/sun/font/layout/LookupProcessor.cpp
index 60727aa3f3ade56e9a518a6dbc4573d168196149..88e9f25ddeb8fa348338d7fb4b73800583d9e35c 100644
--- a/src/share/native/sun/font/layout/LookupProcessor.cpp
+++ b/src/share/native/sun/font/layout/LookupProcessor.cpp
@@ -125,6 +125,10 @@ le_uint32 LookupProcessor::applySingleLookup(le_uint16 lookupTableIndex, GlyphIt
     }
 
     const LookupTable *lookupTable = lookupListTable->getLookupTable(lookupTableIndex);
+    if (lookupTable == NULL) {
+        success = LE_INTERNAL_ERROR;
+        return 0;
+    }
     le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
     GlyphIterator tempIterator(*glyphIterator, lookupFlags);
     le_uint32 delta = applyLookupTable(lookupTable, &tempIterator, fontInstance, success);