--- openMittsu-orig/cmake/FindLibsodium.cmake
+++ openMittsu/cmake/FindLibsodium.cmake
@@ -31,7 +31,7 @@
 		ENDIF(MINGW)   
 	ELSE (UNIX)
 		SET (LIB_PREFIX "lib")
-		SET (LIB_POSTFIX "a")
+		SET (LIB_POSTFIX "so")
 	ENDIF (WIN32)
  
 	find_path(SODIUM_INCLUDE_DIR