diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3715cdac8..625fceb1d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,11 +26,11 @@ function( add_pk3 PK3_NAME PK3_DIR )
 	if( NOT NO_GENERATOR_EXPRESSIONS AND NOT ZDOOM_OUTPUT_OLDSTYLE )
 		add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME}
 			COMMAND ${ZIPDIR_EXE} -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR}
-			COMMAND ${CMAKE_COMMAND} -E copy_if_different ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} $<TARGET_FILE_DIR:zdoom>
+			COMMAND ${CMAKE_COMMAND} -E copy_if_different ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} $<TARGET_FILE_DIR:zdoom>/${PK3_NAME}
 			DEPENDS zipdir ${PK3_DIR} )
 	else( NOT NO_GENERATOR_EXPRESSIONS AND NOT ZDOOM_OUTPUT_OLDSTYLE )
 		add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME}
-			COMMAND ${ZIPDIR_EXE} -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR}
+			COMMAND ${ZIPDIR_EXE} -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR}/${PK3_NAME}
 			DEPENDS zipdir ${PK3_DIR} )
 	endif( NOT NO_GENERATOR_EXPRESSIONS AND NOT ZDOOM_OUTPUT_OLDSTYLE )
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ee98563b6..aa4013503 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1108,7 +1108,7 @@ if( MSVC )
 	endif( ZDOOM_GENERATE_MAPFILE )
 
 	add_custom_command(TARGET zdoom POST_BUILD
-		COMMAND "mt.exe" -manifest \"${CMAKE_CURRENT_SOURCE_DIR}\\win32\\zdoom.exe.manifest\" -outputresource:\"$(TargetDir)$(TargetFileName)\"\;\#2
+		COMMAND "mt.exe" -manifest \"${CMAKE_CURRENT_SOURCE_DIR}\\win32\\zdoom.exe.manifest\" -outputresource:\"$(TargetDir)$(TargetFileName)\"\;\#1
 		COMMENT "Adding manifest..."
 	)