diff --git a/CHANGELOG.md b/CHANGELOG.md
index 185c2e6a4..cefcc773e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Remove incorrect duplicates from config preference migrator [#940](https://github.com/greenbone/gvmd/pull/940)
 - Correct pref ID in migrate_219_to_220 [#941](https://github.com/greenbone/gvmd/pull/941)
 - Set run status only after getting OSP-OpenVAS scan [#948](https://github.com/greenbone/gvmd/pull/948)
+- Fix get_system_reports for GMP scanners [#949](https://github.com/greenbone/gvmd/pull/949)
 
 ### Removed
 - Remove 1.3.6.1.4.1.25623.1.0.90011 from Discovery config (9.0) [#847](https://github.com/greenbone/gvmd/pull/847)
diff --git a/src/manage.c b/src/manage.c
index b97de1bc1..5918f1b02 100644
--- a/src/manage.c
+++ b/src/manage.c
@@ -6216,13 +6216,13 @@ get_system_report_types (const char *required_type, gchar ***start,
       scanner_type_t slave_type;
 
       slave = 0;
-      slave_type = SCANNER_TYPE_NONE;
 
       if (find_scanner_with_permission (slave_id, &slave, "get_scanners"))
         return -1;
       if (slave == 0)
         return 2;
 
+      slave_type = scanner_type (slave);
       if (slave_type == SCANNER_TYPE_GMP)
         return get_slave_system_report_types (required_type, start, types,
                                               slave);