diff --git a/CMakeLists.txt b/CMakeLists.txt
index 645cec3b5..27654b43c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -548,7 +548,7 @@ endif()
 find_package(GSOAP 2.0.0)
 if (GSOAP_FOUND)
   set(optlibsfound "${optlibsfound} gsoap")
-  add_compile_definitions(WITH_GSOAP)
+  add_definitions(-DWITH_GSOAP)
 else()
   set(optlibsnotfound "${optlibsnotfound} gsoap")
 endif()