diff --git a/Tools/format-cmake.py b/Tools/format-cmake.py
index 67bbd7be..70d486f8 100644
--- a/Tools/format-cmake.py
+++ b/Tools/format-cmake.py
@@ -17,4 +17,5 @@ output = subprocess.check_output("git diff", shell=True)
 
 if output:
     print("Git diff is not empty. This means your CMakeLists.txt file was not formatted via %s!" % executable)
+    print(output)
     sys.exit(1)
diff --git a/Tools/format-cpp.py b/Tools/format-cpp.py
index 40e81f99..bc198fdd 100644
--- a/Tools/format-cpp.py
+++ b/Tools/format-cpp.py
@@ -18,4 +18,5 @@ output = subprocess.check_output("git diff", shell=True)
 
 if output:
     print("Git diff is not empty. This means your code was not formatted via %s!" % executable)
+    print(output)
     sys.exit(1)