diff --git a/ippisite/ippidb/admin.py b/ippisite/ippidb/admin.py
index f6139a2ba4ab61e90a9dc0a6d42be2f5b0bf9d5c..926a33877218baeab5bb617ecb59acee4e29bae4 100644
--- a/ippisite/ippidb/admin.py
+++ b/ippisite/ippidb/admin.py
@@ -50,6 +50,7 @@ class MDDRCompoundImport(admin.ModelAdmin):
 @admin.register(Compound)
 class Compound(admin.ModelAdmin):
     list_display = ('id', 'iupac_name', 'common_name', 'canonical_smile')
+    readonly_fields = ('mddr_compound',)
 
 @admin.register(TestActivityDescription)
 class TextActivityDescription(admin.ModelAdmin):