diff --git a/assert/assertions.go b/assert/assertions.go
index 19c4ccd70..6be2a8787 100644
--- a/assert/assertions.go
+++ b/assert/assertions.go
@@ -822,7 +822,7 @@ func InDeltaSlice(t TestingT, expected, actual interface{}, delta float64, msgAn
 	expectedSlice := reflect.ValueOf(expected)
 
 	for i := 0; i < actualSlice.Len(); i++ {
-		result := InDelta(t, actualSlice.Index(i).Interface(), expectedSlice.Index(i).Interface(), delta)
+		result := InDelta(t, actualSlice.Index(i).Interface(), expectedSlice.Index(i).Interface(), delta, msgAndArgs...)
 		if !result {
 			return result
 		}