diff --git a/util/cygwin.sh b/util/cygwin.sh
index d6228521e6..cfdb04d2a4 100755
--- a/util/cygwin.sh
+++ b/util/cygwin.sh
@@ -11,6 +11,7 @@ CONFIG_OPTIONS="--prefix=/usr shared zlib no-idea no-rc5"
 INSTALL_PREFIX=/tmp/install/INSTALL
 
 VERSION=
+SHLIB_VERSION_NUMBER=
 SUBVERSION=$1
 
 function cleanup()
@@ -28,6 +29,13 @@ function get_openssl_version()
     echo "       Check value of variable VERSION in Makefile."
     exit 1
   fi
+  eval `grep '^SHLIB_VERSION_NUMBER=' Makefile`
+  if [ -z "${SHLIB_VERSION_NUMBER}" ]
+  then
+    echo "Error: Couldn't retrieve OpenSSL shared lib version from Makefile."
+    echo " Check value of variable SHLIB_VERSION_NUMBER in Makefile."
+    exit 1
+  fi
 }
 
 function base_install()
@@ -124,7 +132,7 @@ strip usr/bin/*.exe usr/bin/*.dll usr/lib/engines/*.so
 chmod u-w usr/lib/engines/*.so
 
 # Runtime package
-tar cjf libopenssl${VERSION//[!0-9]/}-${VERSION}-${SUBVERSION}.tar.bz2 \
+tar cjf libopenssl${SHLIB_VERSION_NUMBER//[!0-9]/}-${VERSION}-${SUBVERSION}.tar.bz2 \
      usr/bin/cyg*dll
 # Base package
 find etc usr/bin/openssl.exe usr/bin/c_rehash usr/lib/engines usr/share/doc \
@@ -139,7 +147,7 @@ tar cjfT openssl-devel-${VERSION}-${SUBVERSION}.tar.bz2 -
 
 ls -l openssl-${VERSION}-${SUBVERSION}.tar.bz2
 ls -l openssl-devel-${VERSION}-${SUBVERSION}.tar.bz2
-ls -l libopenssl${VERSION//[!0-9]/}-${VERSION}-${SUBVERSION}.tar.bz2
+ls -l libopenssl${SHLIB_VERSION_NUMBER//[!0-9]/}-${VERSION}-${SUBVERSION}.tar.bz2
 
 cleanup