diff --git a/src/main/kotlin/com/beust/kobalt/internal/DynamicGraph.kt b/src/main/kotlin/com/beust/kobalt/internal/DynamicGraph.kt
index e2d78f6d..4a2a4435 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/DynamicGraph.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/DynamicGraph.kt
@@ -1,8 +1,6 @@
 package com.beust.kobalt.internal
 
-import com.beust.kobalt.misc.NamedThreadFactory
-import com.beust.kobalt.misc.ToString
-import com.beust.kobalt.misc.log
+import com.beust.kobalt.misc.*
 import com.google.common.collect.HashMultimap
 import java.util.concurrent.*
 
@@ -72,7 +70,7 @@ public class DynamicGraphExecutor<T>(val graph: DynamicGraph<T>,
                     } catch(ex: TimeoutException) {
                         log(2, "Time out")
                     } catch(ex: Exception) {
-                        log(1, "Tests failed: ${ex.message}")
+                        error("Error: ${ex.message}", ex)
                         gotError = true
                     }
                 }
diff --git a/src/main/kotlin/com/beust/kobalt/misc/KobaltLogger.kt b/src/main/kotlin/com/beust/kobalt/misc/KobaltLogger.kt
index ef796c72..c48fb871 100644
--- a/src/main/kotlin/com/beust/kobalt/misc/KobaltLogger.kt
+++ b/src/main/kotlin/com/beust/kobalt/misc/KobaltLogger.kt
@@ -47,9 +47,12 @@ class Logger(val dev: Boolean) {
     final fun debug(tag: String, message: String) =
         println(getPattern("D", "Debug ", tag, message))
 
-    final fun error(tag: String, message: String, e: Throwable? = null) =
+    final fun error(tag: String, message: String, e: Throwable? = null) {
         println(getPattern("***** E", "***** ERROR ", tag, message) +
                 if (e != null) " Exception: " + e.message else "")
+        e?.printStackTrace()
+    }
+
 
     final fun warn(tag: String, message: String, e: Throwable? = null) =
         println(getPattern("W", "***** WARNING ", tag, message))