diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6c31ca69c..ff29f27e7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1101,7 +1101,7 @@ if( MSVC )
 	option( ZDOOM_GENERATE_MAPFILE "Generate .map file for debugging." OFF )
 	if( ZDOOM_GENERATE_MAPFILE )
 		if( NOT MSVC80 )
-			set_target_properties(zdoom PROPERTIES LINK_FLAGS "/MANIFEST:NO /DELAYLOAD:\"fmodex${X64}.dll\" /MAP:${ZDOOM_EXE_NAME}.map")
+			set_target_properties(zdoom PROPERTIES LINK_FLAGS "/MANIFEST:NO /DELAYLOAD:\"fmodex${X64}.dll\" /MAP:\"$(TargetDir)${ZDOOM_EXE_NAME}.map\"")
 		else( NOT MSVC80 ) # 2005 doesn't support naming the map file.
 			set_target_properties(zdoom PROPERTIES LINK_FLAGS "/MANIFEST:NO /DELAYLOAD:\"fmodex${X64}.dll\" /MAP")
 		endif( NOT MSVC80 )