diff --git a/yaml/private/internal.nim b/yaml/private/internal.nim
index 372da2e..2f7722a 100644
--- a/yaml/private/internal.nim
+++ b/yaml/private/internal.nim
@@ -15,9 +15,9 @@ template internalError*(s: string) =
       echo "[NimYAML] Stacktrace:"
       try:
         writeStackTrace()
-        when defined(debug):
-          echo "Internal stacktrace:"
-          let exc = getCurrentException()
+        echo "Internal stacktrace:"
+        let exc = getCurrentException()
+        if not isNil(exc.parent):
           echo getStackTrace(exc.parent)
       except: discard
     echo "[NimYAML] Please report this bug."
@@ -33,9 +33,9 @@ template yAssert*(e: typed) =
         echo "[NimYAML] Stacktrace:"
         try:
           writeStackTrace()
-          when defined(debug):
-            echo "Internal stacktrace:"
-            let exc = getCurrentException()
+          echo "Internal stacktrace:"
+          let exc = getCurrentException()
+          if not isNil(exc.parent):
             echo getStackTrace(exc.parent)
         except: discard
       echo "[NimYAML] Please report this bug."