diff --git a/src/test/java/CMakeLists.txt b/src/test/java/CMakeLists.txt
index ee93ab6..0618241 100644
--- a/src/test/java/CMakeLists.txt
+++ b/src/test/java/CMakeLists.txt
@@ -11,7 +11,7 @@
 set(SOCKET_SERVER_SOURCES org/apache/log4j/net/ShortSocketServer.java)
 add_custom_target(test-classes
   COMMAND ${Java_JAVAC_EXECUTABLE} -d ${CMAKE_CURRENT_BINARY_DIR}
-          --class-path "${log4j_CLASSPATH}" ${SOCKET_SERVER_SOURCES}
+          -classpath "${log4j_CLASSPATH}" ${SOCKET_SERVER_SOURCES}
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 )
 if(WIN32)