diff --git a/builtins/target-generic-1.ll b/builtins/target-generic-1.ll
index 94ffe87e..a3de92f3 100644
--- a/builtins/target-generic-1.ll
+++ b/builtins/target-generic-1.ll
@@ -10,7 +10,6 @@ packed_load_and_store()
 scans()
 int64minmax()
 aossoa()
-saturation_arithmetic()
 saturation_arithmetic_novec()
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/builtins/util.m4 b/builtins/util.m4
index df2adab2..025018e9 100644
--- a/builtins/util.m4
+++ b/builtins/util.m4
@@ -178,7 +178,10 @@ define(`saturation_arithmetic',
 `ifelse(WIDTH,  `4', `saturation_arithmetic_vec4()', 
         WIDTH,  `8', `saturation_arithmetic_vec8()',
         WIDTH, `16', `saturation_arithmetic_vec16() ',
-                     `ERROR_unappropriate_width')')
+                     `errprint(`ERROR: saturation_arithmetic() macro called with unsupported width = 'WIDTH
+)
+                      m4exit(`1')')
+')
 
 ;; create vector constant. Used by saturation_arithmetic_novec_universal below.