diff --git a/rpminspect.yaml b/rpminspect.yaml
index 38a162f..cf483d4 100644
--- a/rpminspect.yaml
+++ b/rpminspect.yaml
@@ -5,8 +5,10 @@ inspections:
 # the badfunc is triggered by inet_addr and inet_ntoa which is in the third party 
 # libraries bundled to firefox sources.
 badfuncs:
-  ignore:
-    - /usr/lib*/thunderbird/libxul.so
+  allowed:
+    /usr/lib64/thunderbird/libxul.so:
+      - inet_addr
+      - inet_ntoa
 # We don't plan to build Firefox with the LTO because it brings more problems
 # than benefits to the package.
 annocheck: