diff --git a/java-17-openjdk.spec b/java-17-openjdk.spec
index 04b4135..1ed746e 100644
--- a/java-17-openjdk.spec
+++ b/java-17-openjdk.spec
@@ -2488,6 +2488,7 @@ require "copy_jdk_configs.lua"
 %changelog
 * Mon Jul  8 2024 Anton Bobrov <abobrov@redhat.com> - 1:17.0.12.0.6-0.1.ea
 - generate_source_tarball.sh: Use tar exclude options for VCS files
+- generate_source_tarball.sh: Improve VCS exclusion
 
 * Mon Jul  8 2024 Andrew Hughes <gnu.andrew@redhat.com> - 1:17.0.12.0.6-0.1.ea
 - generate_source_tarball.sh: Update examples in header for clarity
diff --git a/scripts/generate_source_tarball.sh b/scripts/generate_source_tarball.sh
index 5b66951..597b939 100755
--- a/scripts/generate_source_tarball.sh
+++ b/scripts/generate_source_tarball.sh
@@ -255,7 +255,7 @@ pushd "${FILE_NAME_ROOT}"
     XZ_OPT=${XZ_OPT-"-T0"} \
           tar --exclude-vcs --exclude=.jcheck --exclude=.hgtags \
           --exclude=.hgignore --exclude=.gitattributes \
-          --exclude=.gitignore --exclude=.github \
+          --exclude=.gitignore --exclude=.github --exclude=.git \
           --mtime="${TAR_TIME}" --owner=root --group=root --sort=name \
           -$SWITCH "${TARBALL_NAME}" "${TO_COMPRESS}"
     mv "${TARBALL_NAME}" ..