diff --git a/macbuild/macbuildQt4-yosemite.sh b/macbuild/macbuildQt4-yosemite.sh
index 4153ebc0d..e04c0b150 100755
--- a/macbuild/macbuildQt4-yosemite.sh
+++ b/macbuild/macbuildQt4-yosemite.sh
@@ -7,15 +7,15 @@
 ./build.sh \
     -release \
     -qmake          /opt/local/libexec/qt4/bin/qmake \
-    -build          ./qt4.build.macos-high-sierra \
-    -bin            ./qt4.bin.macos-high-sierra \
-    -option         -j2 \
+    -build          ./qt4.build.macos-yosemite \
+    -bin            ./qt4.bin.macos-yosemite \
+    -option         -j4 \
     -with-qtbinding \
     -qt4 \
-    -ruby           /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby \
+    -ruby           /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby \
     -python         /System/Library/Frameworks/Python.framework/Versions/2.7/bin/python \
     -rbinc          /System/Library/Frameworks/Ruby.framework/Headers \
-    -rblib          /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/libruby.dylib \
+    -rblib          /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.dylib \
     -pyinc          /System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 \
     -pylib          /System/Library/Frameworks/Python.framework/Versions/2.7/lib/libpython2.7.dylib 2>&1 \
     | tee macbuildQt4.log
diff --git a/macbuild/macbuildQt5-yosemite.sh b/macbuild/macbuildQt5-yosemite.sh
index 32034dc0f..6114a572d 100755
--- a/macbuild/macbuildQt5-yosemite.sh
+++ b/macbuild/macbuildQt5-yosemite.sh
@@ -1,21 +1,21 @@
 #!/bin/bash
 
-# Using Qt 5.9.3 from Mac Ports.
+# Using Qt 5.8.0 from Mac Ports.
 #
 # Ruby: OSX native
 # Python: OSX native
 ./build.sh \
     -release \
     -qmake          /opt/local/libexec/qt5/bin/qmake \
-    -build          ./qt5.build.macos-high-sierra \
-    -bin            ./qt5.bin.macos-high-sierra \
-    -option         -j2 \
+    -build          ./qt5.build.macos-yosemite \
+    -bin            ./qt5.bin.macos-yosemite \
+    -option         -j4 \
     -with-qtbinding \
     -qt5 \
-    -ruby           /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby \
+    -ruby           /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby \
     -python         /System/Library/Frameworks/Python.framework/Versions/2.7/bin/python \
     -rbinc          /System/Library/Frameworks/Ruby.framework/Headers \
-    -rblib          /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/libruby.dylib \
+    -rblib          /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.dylib \
     -pyinc          /System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 \
     -pylib          /System/Library/Frameworks/Python.framework/Versions/2.7/lib/libpython2.7.dylib 2>&1 \
     | tee macbuildQt5.log