diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8785a0e3f..2d7a7fc68 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -280,10 +280,10 @@ if(BUILD_CLIENT)
 			install(FILES ${ZLIB_DLL} DESTINATION ${BINDIR})
 		endif()
 		if(USE_GETTEXT)
-			if(defined GETTEXT_DLL)
+			if(DEFINED GETTEXT_DLL)
 				install(FILES ${GETTEXT_DLL} DESTINATION ${BINDIR})
 			endif()
-			if(defined GETTEXT_ICONV_DLL)
+			if(DEFINED GETTEXT_ICONV_DLL)
 				install(FILES ${GETTEXT_ICONV_DLL} DESTINATION ${BINDIR})
 			endif()
 		endif(USE_GETTEXT)