diff --git a/doc/manual/release-notes/rl-1.12.xml b/doc/manual/release-notes/rl-1.12.xml
index adfbaa157..d8fc2bcf8 100644
--- a/doc/manual/release-notes/rl-1.12.xml
+++ b/doc/manual/release-notes/rl-1.12.xml
@@ -184,7 +184,7 @@
   </listitem>
 
   <listitem>
-    <para><function>builtins.fetchgit</function>.
+    <para><function>builtins.fetchGit</function>.
     (38539b943a060d9cdfc24d6e5d997c0885b8aa2f)</para>
   </listitem>
 
diff --git a/src/libexpr/primops/fetchgit.cc b/src/libexpr/primops/fetchgit.cc
index 4c5799bfe..18107f5cd 100644
--- a/src/libexpr/primops/fetchgit.cc
+++ b/src/libexpr/primops/fetchgit.cc
@@ -88,10 +88,10 @@ Path exportGit(ref<Store> store, const std::string & uri,
     return storePath;
 }
 
-static void prim_fetchgit(EvalState & state, const Pos & pos, Value * * args, Value & v)
+static void prim_fetchGit(EvalState & state, const Pos & pos, Value * * args, Value & v)
 {
     // FIXME: cut&paste from fetch().
-    if (state.restricted) throw Error("'fetchgit' is not allowed in restricted mode");
+    if (state.restricted) throw Error("'fetchGit' is not allowed in restricted mode");
 
     std::string url;
     std::string ref = "master";
@@ -118,7 +118,7 @@ static void prim_fetchgit(EvalState & state, const Pos & pos, Value * * args, Va
             else if (n == "name")
                 name = state.forceStringNoCtx(*attr.value, *attr.pos);
             else
-                throw EvalError("unsupported argument '%s' to 'fetchgit', at %s", attr.name, *attr.pos);
+                throw EvalError("unsupported argument '%s' to 'fetchGit', at %s", attr.name, *attr.pos);
         }
 
         if (url.empty())
@@ -132,6 +132,6 @@ static void prim_fetchgit(EvalState & state, const Pos & pos, Value * * args, Va
     mkString(v, storePath, PathSet({storePath}));
 }
 
-static RegisterPrimOp r("__fetchgit", 1, prim_fetchgit);
+static RegisterPrimOp r("fetchGit", 1, prim_fetchGit);
 
 }