diff --git a/java-17-openjdk.spec b/java-17-openjdk.spec
index 6f5b7af..1875af7 100644
--- a/java-17-openjdk.spec
+++ b/java-17-openjdk.spec
@@ -1250,7 +1250,7 @@ Provides: java-%{origin}-src%{?1} = %{epoch}:%{version}-%{release}
 
 Name:    java-%{javaver}-%{origin}
 Version: %{newjavaver}.%{buildver}
-Release: %{?eaprefix}%{rpmrelease}%{?extraver}%{?dist}
+Release: %{?eaprefix}%{portablerelease}.%{rpmrelease}%{?extraver}%{?dist}
 # Equivalent for the portable build
 %global prelease %{?eaprefix}%{portablerelease}%{?extraver}
 # java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
@@ -2500,6 +2500,9 @@ cjc.mainProgram(args)
 %endif
 
 %changelog
+* Mon Jul 13 2026 Andrew Hughes <gnu.andrew@redhat.com> - 1:17.0.20.0.8-1.1
+- Specify portablerelease and rpmrelease (always 0 for portables) in the Release field (OPENJDK-4876)
+
 * Mon Jul 13 2026 Thomas Fitzsimmons <fitzsim@redhat.com> - 1:17.0.20.0.8-1
 - Update to jdk-17.0.20+8 (GA)
 - Add to .gitignore openjdk-17.0.20+8.tar.xz