diff --git a/shadowsocks/crypto/ctypes_libsodium.py b/shadowsocks/crypto/ctypes_libsodium.py
index 69b9de9..e74d577 100644
--- a/shadowsocks/crypto/ctypes_libsodium.py
+++ b/shadowsocks/crypto/ctypes_libsodium.py
@@ -42,11 +42,16 @@ def load_libsodium():
     global loaded, libsodium, buf
 
     from ctypes.util import find_library
+    libsodium_path = None
     for p in ('sodium', 'libsodium'):
         libsodium_path = find_library(p)
         if libsodium_path:
             break
     else:
+        import glob
+        for libsodium_path in glob.glob('/usr/lib/libsodium.*'):
+            pass
+    if libsodium_path is None:
         raise Exception('libsodium not found')
     logging.info('loading libsodium from %s', libsodium_path)
     libsodium = CDLL(libsodium_path)
diff --git a/shadowsocks/crypto/ctypes_openssl.py b/shadowsocks/crypto/ctypes_openssl.py
index 0ef8ce0..9e0dfca 100644
--- a/shadowsocks/crypto/ctypes_openssl.py
+++ b/shadowsocks/crypto/ctypes_openssl.py
@@ -39,11 +39,16 @@ def load_openssl():
     global loaded, libcrypto, buf
 
     from ctypes.util import find_library
+    libcrypto_path = None
     for p in ('crypto', 'eay32', 'libeay32'):
         libcrypto_path = find_library(p)
         if libcrypto_path:
             break
     else:
+        import glob
+        for libcrypto_path in glob.glob('/usr/lib/libcrypto.*'):
+            pass
+    if libcrypto_path is None:
         raise Exception('libcrypto(OpenSSL) not found')
     logging.info('loading libcrypto from %s', libcrypto_path)
     libcrypto = CDLL(libcrypto_path)