diff --git a/Koha/REST/Plugin/PluginRoutes.pm b/Koha/REST/Plugin/PluginRoutes.pm
index 67ff2ae1cf..a90eb81133 100644
--- a/Koha/REST/Plugin/PluginRoutes.pm
+++ b/Koha/REST/Plugin/PluginRoutes.pm
@@ -45,8 +45,7 @@ sub register {
 
     my @plugins;
 
-    if ( C4::Context->config("enable_plugins") and
-         ! C4::Context->needs_install ) # Koha is installed
+    if ( C4::Context->config("enable_plugins") )
     {
         # plugin needs to define a namespace
         @plugins = Koha::Plugins->new()->GetPlugins(
diff --git a/Koha/REST/V1.pm b/Koha/REST/V1.pm
index 0b14b97b95..894457b0c8 100644
--- a/Koha/REST/V1.pm
+++ b/Koha/REST/V1.pm
@@ -86,7 +86,7 @@ sub startup {
                 spec               => $spec,
                 validator          => undef
             }
-        );
+        ) unless C4::Context->needs_install; # load only if Koha is installed
 
         $self->plugin(
             OpenAPI => {
@@ -115,7 +115,7 @@ sub startup {
                 spec      => $spec,
                 validator => $validator
             }
-        );
+        )  unless C4::Context->needs_install; # load only if Koha is installed
 
         $self->plugin(
             OpenAPI => {