diff --git a/Project/Mac/Info-ns.plist b/Project/Mac/Info-ns.plist
index 2176d8f4..71354250 100644
--- a/Project/Mac/Info-ns.plist
+++ b/Project/Mac/Info-ns.plist
@@ -31,7 +31,7 @@
 	<key>DTSDKBuild</key>
 	<string>10K549</string>
 	<key>DTSDKName</key>
-	<string>macosx10.13</string>
+	<string>macosx10.10</string>
 	<key>DTXcode</key>
 	<string>0420</string>
 	<key>DTXcodeBuild</key>
@@ -39,7 +39,7 @@
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.13</string>
+	<string>10.10</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>(c) MediaArea.net</string>
 	<key>NSMainNibFile</key>
diff --git a/Project/Mac/Info.plist b/Project/Mac/Info.plist
index c54dd002..4fdffdad 100644
--- a/Project/Mac/Info.plist
+++ b/Project/Mac/Info.plist
@@ -31,7 +31,7 @@
 	<key>DTSDKBuild</key>
 	<string>10K549</string>
 	<key>DTSDKName</key>
-	<string>macosx10.13</string>
+	<string>macosx10.10</string>
 	<key>DTXcode</key>
 	<string>0420</string>
 	<key>DTXcodeBuild</key>
@@ -39,7 +39,7 @@
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.13</string>
+	<string>10.10</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>(c) MediaArea.net</string>
 	<key>NSMainNibFile</key>
diff --git a/Project/Qt/MediaConch.pro b/Project/Qt/MediaConch.pro
index c8b7c47e..62c7bffa 100644
--- a/Project/Qt/MediaConch.pro
+++ b/Project/Qt/MediaConch.pro
@@ -345,13 +345,15 @@ contains(NO_LIBEVENT, yes|1) {
 }
 
 macx:contains(MACSTORE, yes|1) {
+    QMAKE_LFLAGS+=-Wl,-ld_classic
     QMAKE_CFLAGS += -gdwarf-2
     QMAKE_CXXFLAGS += -gdwarf-2
     QMAKE_INFO_PLIST = ../Mac/Info.plist
-    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.13
+    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.10
 } else:macx {
+    QMAKE_LFLAGS+=-Wl,-ld_classic
     QMAKE_INFO_PLIST = ../Mac/Info-ns.plist
-    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.13
+    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.10
 }
 
 LIBS             += -lz