diff --git a/.github/workflows/windows-java.yml b/.github/workflows/windows-java.yml
new file mode 100644
index 000000000..8660cf76d
--- /dev/null
+++ b/.github/workflows/windows-java.yml
@@ -0,0 +1,111 @@
+name: Windows MSYS2 with Java interoperability
+
+on:
+  pull_request:
+    branches: [ java-interop ]
+  push:
+    branches: [ java-interop-ci4windows ]
+  # manual run in actions tab - for all branches
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - windows-latest
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install packages
+        uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: autoconf automake libtool make mingw-w64-x86_64-ncurses mingw-w64-x86_64-libxml2 mingw-w64-x86_64-cjson mingw-w64-x86_64-db mingw-w64-x86_64-gmp libdb-devel mingw-w64-x86_64-gcc flex bison gmp-devel help2man texinfo gettext-devel
+
+      - name: Set git user
+        run: |
+          git config --global user.name github-actions
+          git config --global user.email github-actions-bot@users.noreply.github.com
+
+      - name: bootstrap
+        run: |
+          ./autogen.sh
+          autoconf
+          autoreconf --install --force
+        shell: msys2 {0}
+
+      - name: Build environment setup
+        run: |
+          mkdir _build
+          echo "JAVA_HOME=$JAVA_HOME"
+          echo "export PATH=\"$(cygpath -u "$JAVA_HOME")/bin:\$PATH\"" >> ~/.bash_profile
+        shell: msys2 {0}
+
+      - name: configure
+        run: |
+          cd _build
+          echo "$PATH"
+          java_home="$(cygpath -u "$JAVA_HOME")"
+          # thanks @revelator & @GitMensch ;-)
+          # (cf https://github.com/msys2/MINGW-packages/discussions/8056)
+          lt_cv_deplibs_check_method=pass_all \
+          ../configure --enable-cobc-internal-checks \
+                       --enable-hardening \
+                       --prefix /opt/cobol/gnucobol \
+                       --exec-prefix /opt/cobol/gnucobol \
+                       --with-java \
+                       JAVA_HOME="$java_home" \
+                       JAVA="$java_home/bin/java" \
+                       JAVAC="$java_home/bin/javac"
+        shell: msys2 {0}
+
+      - name: Upload config.log
+        uses: actions/upload-artifact@v4
+        # if: failure()
+        with:
+          name: config-${{ matrix.os }}.log
+          path: _build/config.log
+
+      - name: make
+        run: |
+          sed -i '/#include <libxml\/xmlwriter.h>/a \#include <libxml\/parser.h>' libcob/common.c
+          sed -i '/#include <libxml\/xmlwriter.h>/a \#include <libxml\/parser.h>' libcob/mlio.c
+          cd _build
+          make --jobs=$(($(nproc)+1))
+        shell: msys2 {0}
+
+      - name: install
+        run: |
+          cd _build
+          make install
+          find /opt/cobol > install.log
+        shell: msys2 {0}
+
+      - name: Upload install.log
+        uses: actions/upload-artifact@v4
+        with:
+          name: install-${{ matrix.os }}.log
+          path: _build/install.log
+
+      - name: check
+        continue-on-error: true
+        run: |
+          sed '/AT_SETUP(\[ACCEPT OMITTED (SCREEN)\])/a \
+                AT_SKIP_IF(\[true\])' \
+              -i tests/testsuite.src/run_accept.at
+          cd _build/tests
+          make check TESTSUITEFLAGS="--jobs=$(($(nproc)+1))"
+        shell: msys2 {0}
+
+      - name: Upload testsuite.log
+        uses: actions/upload-artifact@v4
+        with:
+          name: testsuite-${{ matrix.os }}.log
+          path: _build/tests/testsuite.log
diff --git a/configure.ac b/configure.ac
index f4231f2ac..1b800d4c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -981,8 +981,8 @@ AS_IF([test "x$with_java" != "xno"], [
 			JNI_LIBS="-ljvm"
 			cob_has_jni=yes
 		], [
-
-			     JNI_LIBPATH=""])
+			JNI_LIBPATH=""
+		])
 		LIBS="$curr_LIBS"
 	])
 ])