diff --git a/ktlint/src/main/kotlin/com/github/shyiko/ktlint/Main.kt b/ktlint/src/main/kotlin/com/github/shyiko/ktlint/Main.kt
index 585b377..e097b8c 100644
--- a/ktlint/src/main/kotlin/com/github/shyiko/ktlint/Main.kt
+++ b/ktlint/src/main/kotlin/com/github/shyiko/ktlint/Main.kt
@@ -277,6 +277,7 @@
                     format(fileName, fileContent, ruleSetProviders.map { it.second.get() }, userData) { err, corrected ->
                         if (!corrected) {
                             result.add(LintErrorWithCorrectionInfo(err, corrected))
+                            tripped.set(true)
                         }
                     }
                 } catch (e: Exception) {