diff --git a/swh/graphql/resolvers/content.py b/swh/graphql/resolvers/content.py
--- a/swh/graphql/resolvers/content.py
+++ b/swh/graphql/resolvers/content.py
@@ -42,7 +42,7 @@
         }
 
     @property
-    def fileType(self):
+    def mimeType(self):
         # FIXME, fetch data from the indexers
         return None
 
diff --git a/swh/graphql/schema/schema.graphql b/swh/graphql/schema/schema.graphql
--- a/swh/graphql/schema/schema.graphql
+++ b/swh/graphql/schema/schema.graphql
@@ -828,7 +828,7 @@
   url: String
 }
 
-type ContentFileType {
+type ContentMimeType {
   """
   Detected content encoding
   """
@@ -891,7 +891,7 @@
   """
   Information about the content MIME type
   """
-  fileType: ContentFileType
+  mimeType: ContentMimeType
 
   """
   Information about the programming language used in the content
diff --git a/swh/graphql/tests/functional/test_content.py b/swh/graphql/tests/functional/test_content.py
--- a/swh/graphql/tests/functional/test_content.py
+++ b/swh/graphql/tests/functional/test_content.py
@@ -27,7 +27,7 @@
         data {
           url
         }
-        fileType {
+        mimeType {
           encoding
         }
         language {
@@ -55,7 +55,7 @@
         "data": {
             "url": f"{archive_url}content/sha1:{content.sha1.hex()}/raw/",
         },
-        "fileType": None,
+        "mimeType": None,
         "language": None,
         "license": None,
     }