diff --git a/Data/Text.hs b/Data/Text.hs
index 10c767b2a0e367ac58228d98fc7fead8d2e9b0ed..91a7e0b06a8b579f199df72ac42f9a74bd6b9bac 100644
--- a/Data/Text.hs
+++ b/Data/Text.hs
@@ -430,7 +430,7 @@ append a@(Text arr1 off1 len1) b@(Text arr2 off2 len2)
         A.copyI arr 0 arr1 off1 len1
         A.copyI arr len1 arr2 off2 len
         return arr
-{-# INLINE append #-}
+{-# NOINLINE append #-}
 
 {-# RULES
 "TEXT append -> fused" [~1] forall t1 t2.