diff --git a/tests/helpers/assertions.hpp b/tests/helpers/assertions.hpp
index 86c9b23a..8be904d3 100644
--- a/tests/helpers/assertions.hpp
+++ b/tests/helpers/assertions.hpp
@@ -20,7 +20,8 @@
         catch (...)                                                           \
         {                                                                     \
         }                                                                     \
-        throw xlnt::exception("assert failed -> " XLNT_STRINGIFY(expression)); \
+        throw xlnt::exception(                                              \
+            "assert failed at L:" XLNT_STRINGIFY(__LINE__) "\n" XLNT_STRINGIFY(expression)); \
     } while (false)
 
 #define xlnt_assert_throws_nothing(expression)                                \
@@ -34,7 +35,7 @@
         catch (...)                                                           \
         {                                                                     \
         }                                                                     \
-        throw xlnt::exception("assert throws nothing failed -> " XLNT_STRINGIFY(expression)); \
+        throw xlnt::exception("assert throws nothing failed at L:" XLNT_STRINGIFY(__LINE__) "\n" XLNT_STRINGIFY(expression)); \
     } while (false)
 
 #define xlnt_assert_throws(expression, exception_type)                        \
@@ -51,7 +52,7 @@
         catch (...)                                                           \
         {                                                                     \
         }                                                                     \
-        throw xlnt::exception("assert throws failed -> " XLNT_STRINGIFY(expression)); \
+        throw xlnt::exception("assert throws failed at L:" XLNT_STRINGIFY(__LINE__) "\n" XLNT_STRINGIFY(expression)); \
     } while (false)
 
 #define xlnt_assert_equals(left, right) xlnt_assert((left) == (right))