diff --git a/ChangeLog b/ChangeLog
index 39d294ab4d..9b119b5e4f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-24  Siddhesh Poyarekar  <siddhesh@redhat.com>
+
+	* Makerules (check-abi): Dump diff of symlist if the test
+	fails.
+
 2014-06-23  Roland McGrath  <roland@hack.frob.com>
 
 	* sysdeps/generic/get-rounding-mode.h: Include <stdlib.h> before
diff --git a/Makerules b/Makerules
index 817d07ed4a..6b30e8ce58 100644
--- a/Makerules
+++ b/Makerules
@@ -1257,7 +1257,8 @@ subdir_check-abi: check-abi
 subdir_update-abi: update-abi
 else
 check-abi: subdir_check-abi
-	if grep -q '^FAIL:' $(objpfx)*/check-abi*.test-result; then exit 1; fi
+	if grep -q '^FAIL:' $(objpfx)*/check-abi*.test-result; then \
+		cat $(objpfx)*/check-abi*.out && exit 1; fi
 update-abi: subdir_update-abi
 endif