diff --git a/jupyter_c_kernel/install_c_kernel b/jupyter_c_kernel/install_c_kernel
index fcd009d..4b23026 100644
--- a/jupyter_c_kernel/install_c_kernel
+++ b/jupyter_c_kernel/install_c_kernel
@@ -29,7 +29,7 @@ def install_my_kernel_spec(user=True, prefix=None):
         # TODO: Copy resources once they're specified
 
         print('Installing IPython kernel spec')
-        KernelSpecManager().install_kernel_spec(td, 'c', user=user, replace=True, prefix=prefix)
+        KernelSpecManager().install_kernel_spec(td, 'c', user=user, prefix=prefix)
 
 
 def _is_root():
diff --git a/jupyter_c_kernel/kernel.py b/jupyter_c_kernel/kernel.py
index 7ed7e71..3ba0695 100644
--- a/jupyter_c_kernel/kernel.py
+++ b/jupyter_c_kernel/kernel.py
@@ -71,7 +71,7 @@ class CKernel(Kernel):
     implementation_version = '1.0'
     language = 'c'
     language_version = 'C11'
-    language_info = {'name': 'c',
+    language_info = {'name': 'text/x-csrc',
                      'mimetype': 'text/plain',
                      'file_extension': '.c'}
     banner = "C kernel.\n" \