diff --git a/ports/libaaplus/CONTROL b/ports/libaaplus/CONTROL
index eb5df3ff0fb..2d14f7e06d1 100644
--- a/ports/libaaplus/CONTROL
+++ b/ports/libaaplus/CONTROL
@@ -1,5 +1,5 @@
 Source: libaaplus
-Version: 2.12
+Version: 2.12-1
 Description: libaaplus is an astronomical computations library by naughter software
 Homepage: http://www.naughter.com/aa.html
 
diff --git a/ports/libaaplus/portfile.cmake b/ports/libaaplus/portfile.cmake
index d0b862655dd..358fdaba644 100644
--- a/ports/libaaplus/portfile.cmake
+++ b/ports/libaaplus/portfile.cmake
@@ -2,16 +2,16 @@ set(VERSION 2.12)
 
 vcpkg_download_distfile(
     ARCHIVE_FILE
-    URLS "http://www.naughter.com/download/aaplus.zip"
-    FILENAME "aaplus.zip"
+    URLS "http://www.naughter.com/download/aaplus_v${VERSION}.zip"
+    FILENAME "aaplus_v${VERSION}.zip"
     SHA512 ec3a3d1346637fbed3ec5093ded821c6d80950a6432378d9826ed842571d8670cd5d2a1c9ff58a18f308e18669d786f72d24961e26bd8e070ee35674688a39e7
 )
 
 vcpkg_extract_source_archive_ex(
     OUT_SOURCE_PATH SOURCE_PATH
     ARCHIVE ${ARCHIVE_FILE}
-	REF ${VERSION}
-	NO_REMOVE_ONE_LEVEL
+    REF ${VERSION}
+    NO_REMOVE_ONE_LEVEL
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})