diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bff1a36e3a..add2b3f6a2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1246,10 +1246,10 @@ if( MSVC )
 	option( ZDOOM_GENERATE_MAPFILE "Generate .map file for debugging." OFF )
 	set( LINKERSTUFF "/MANIFEST:NO /DELAYLOAD:\"fmodex${X64}.dll\"" )
 	if( ZDOOM_GENERATE_MAPFILE )
-		set( LINKERSTUFF ${LINKERSTUFF} "/MAP" )
+		set( LINKERSTUFF "${LINKERSTUFF} /MAP" )
 	endif()
 	if( NOT NO_OPENAL )
-		set( LINKERSTUFF ${LINKERSTUFF} "/DELAYLOAD:\"libmpg123-0.dll\" /DELAYLOAD:\"libsndfile-1.dll\"" )
+		set( LINKERSTUFF "${LINKERSTUFF} /DELAYLOAD:\"libmpg123-0.dll\" /DELAYLOAD:\"libsndfile-1.dll\"" )
 	endif()
 	set_target_properties(zdoom PROPERTIES LINK_FLAGS ${LINKERSTUFF})