diff --git a/Makefile.defs b/Makefile.defs
index afa91be..656da3b 100644
--- a/Makefile.defs
+++ b/Makefile.defs
@@ -1,5 +1,7 @@
 # def file for openmamba platforms
 
+/bin/sh = bash
+
 # systemd/sysvinit
 _initsystem = systemd
 /sbin/halt = $(_initsystem)
@@ -135,6 +137,11 @@ libnet.so[SUNWprivate_1.1][64bit] = java-openjdk-runtime
 libverify.so[SUNWprivate_1.1][64bit] = java-openjdk-runtime
 libphonon.so.4[][64bit] = libphonon
 liblapack.so.3[][64bit] = liblapack
+libatlas.so.3[][64bit] = libatlas
+libcblas.so.3[][64bit] = libatlas
+libf77blas.so.3[][64bit] = libatlas
+libptcblas.so.3[][64bit] = libatlas
+libptf77blas.so.3[][64bit] = libatlas
 else
 libGL.so.1 = libGL-Mesa-dri
 libGLU.so.1 = libGL-Mesa-dri
@@ -158,6 +165,11 @@ libnet.so[SUNWprivate_1.1] = java-openjdk-runtime
 libverify.so[SUNWprivate_1.1] = java-openjdk-runtime
 libphonon.so.4 = libphonon
 liblapack.so.3 = liblapack
+libatlas.so.3 = libatlas
+libcblas.so.3 = libatlas
+libf77blas.so.3 = libatlas
+libptcblas.so.3 = libatlas
+libptf77blas.so.3 = libatlas
 endif
 /usr/bin/python = python
 python[abi] = python
@@ -213,11 +225,6 @@ libgs.so.9 = ghostscript
 udev = udev
 libudev.so.0 = udev
 libgudev-1.0.so.0 = udev
-libatlas.so.3 = libatlas
-libcblas.so.3 = libatlas
-libf77blas.so.3 = libatlas
-libptcblas.so.3 = libatlas
-libptf77blas.so.3 = libatlas
 libexpect5.44.1.15.so = expect
 
 # ffmpeg / libav