diff --git a/ms-windows/mingw/build.sh b/ms-windows/mingw/build.sh
index 1314db566a5..6565e67c640 100755
--- a/ms-windows/mingw/build.sh
+++ b/ms-windows/mingw/build.sh
@@ -76,7 +76,10 @@ mkdir -p "$BUILDDIR"
 (
   CRSSYNC_BIN=$(readlink -f "$SRCDIR")/build/output/bin/crssync
   cd "$BUILDDIR"
-  mingw$bits-cmake \
+  rpm --eval "%{mingw64_cmake}" > mingw64-cmake.sh
+  sed -i -e 's/%__cmake/cmake/' mingw64-cmake.sh
+  chmod +x mingw64-cmake.sh
+  ./mingw$bits-cmake.sh \
     -DCMAKE_CROSS_COMPILING=1 \
     -DUSE_CCACHE=ON \
     -DCMAKE_BUILD_TYPE=$buildtype \