diff --git a/generate_source_tarball.sh b/generate_source_tarball.sh
index f23df66..09a25fd 100755
--- a/generate_source_tarball.sh
+++ b/generate_source_tarball.sh
@@ -91,7 +91,7 @@ if [ "$OPENJDK_LATEST" != "" ] ; then
     VERSION=$(git ls-remote --tags --refs --sort=-version:refname \
                   "${OPENJDK_URL_DEFAULT}/${PROJECT_NAME}/${REPO_NAME}.git" \
                   "jdk-${FEATURE_VERSION}*" \
-                  | grep -v '\-ga$' \
+                  | grep --invert-match '\-ga$' \
                   | head --lines 1 | cut --characters 52-)
     FILE_NAME_ROOT=open${VERSION}
     WITH_TEMP=1
diff --git a/java-21-openjdk.spec b/java-21-openjdk.spec
index f459b11..84a14c8 100644
--- a/java-21-openjdk.spec
+++ b/java-21-openjdk.spec
@@ -2539,6 +2539,7 @@ cjc.mainProgram(args)
 - generate_source_tarball.sh: Ignore -ga tags with OPENJDK_LATEST
 - generate_source_tarball.sh: Fix whitespace
 - generate_source_tarball.sh: Remove trailing period in echo
+- generate_source_tarball.sh: Use long-style argument to grep
 - Related: RHEL-52723
 
 * Sat Aug 03 2024 Andrew Hughes <gnu.andrew@redhat.com> - 1:21.0.3.0.1-0.1.ea