diff --git a/CMakeLists.txt b/CMakeLists.txt
index 287a936a..9681d401 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,9 @@ cmake_host_system_information(RESULT OS_DATA_LIST QUERY
 list(JOIN OS_DATA_LIST " -- " OS_DATA)
 message(STATUS ${OS_DATA})
 
+string(REGEX MATCH  "([0-9]+\.[0-9]+\.[0-9]+)" OSX_SDK_MINIMUM
+	${CMAKE_OSX_DEPLOYMENT_TARGET} ".0.0.0")
+
 include(GNUInstallDirs)
 
 ##### Git command to tweak the version and commit hash
diff --git a/misc/Info.plist.in b/misc/Info.plist.in
index 56b80a76..2554282d 100644
--- a/misc/Info.plist.in
+++ b/misc/Info.plist.in
@@ -29,7 +29,7 @@
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>@CMAKE_OSX_DEPLOYMENT_TARGET@.0.0</string>
+	<string>@OSX_SDK_MINIMUM@</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<string>no</string>
 	<key>CFBundleLocalizations</key>
diff --git a/release/build-mac.sh b/release/build-mac.sh
index 52fc165c..8726ec1e 100755
--- a/release/build-mac.sh
+++ b/release/build-mac.sh
@@ -71,7 +71,7 @@ BUILDDIR="$TOP_DIR/osx-release-dmg"
 BUILDDIR_APPSTORE="$TOP_DIR/osx-release-appstore"
 
 INSTALL_DIR="$TOP_DIR/install"
-SDK="11"
+SDK="10.15"
 JOBS=7
 
 cd $TOP_DIR