diff --git a/changes/23557-minio b/changes/23557-minio
new file mode 100644
index 0000000000..2fa00913f4
--- /dev/null
+++ b/changes/23557-minio
@@ -0,0 +1 @@
+* fixed issue where minio software was not scanned for vulnerabilities correctly because of unexpected trailing characters in the version string
\ No newline at end of file
diff --git a/server/service/osquery_utils/queries.go b/server/service/osquery_utils/queries.go
index bc3dca255f..67b8047e3a 100644
--- a/server/service/osquery_utils/queries.go
+++ b/server/service/osquery_utils/queries.go
@@ -1689,7 +1689,12 @@ var (
 				return s.Name == "minio" && strings.Contains(s.Version, "RELEASE.")
 			},
 			mutateSoftware: func(s *fleet.Software, logger log.Logger) {
+				// trim the "RELEASE." prefix from the version
 				s.Version = strings.TrimPrefix(s.Version, "RELEASE.")
+				// trim any unexpected trailing characters
+				if idx := strings.Index(s.Version, "_"); idx != -1 {
+					s.Version = s.Version[:idx]
+				}
 			},
 		},
 		{
diff --git a/server/service/osquery_utils/queries_test.go b/server/service/osquery_utils/queries_test.go
index a1c366dfe0..9487883516 100644
--- a/server/service/osquery_utils/queries_test.go
+++ b/server/service/osquery_utils/queries_test.go
@@ -1920,6 +1920,18 @@ func TestSanitizeSoftware(t *testing.T) {
 				Version: "2020-03-10T00-00-00Z",
 			},
 		},
+		{
+			name: "minio with trailing garbage",
+			h:    &fleet.Host{},
+			s: &fleet.Software{
+				Name:    "minio",
+				Version: "RELEASE.2022-03-10T00-00-00Z_1",
+			},
+			sanitized: &fleet.Software{
+				Name:    "minio",
+				Version: "2022-03-10T00-00-00Z",
+			},
+		},
 		{
 			name: "JetBrains non-EAP",
 			h:    &fleet.Host{},