diff -up iotop-0.6/iotop/ioprio.py.ppcprio iotop-0.6/iotop/ioprio.py
--- iotop-0.6/iotop/ioprio.py.ppcprio	2018-08-02 15:17:46.523099123 +0200
+++ iotop-0.6/iotop/ioprio.py	2018-08-02 15:19:45.671660952 +0200
@@ -32,7 +32,7 @@ IOPRIO_GET_ARCH_SYSCALL = [
     ('i*86',        '*',  290),
     ('ia64*',       '*', 1275),
     ('parisc*',     '*',  268),
-    ('powerpc*',    '*',  274),
+    ('ppc*',        '*',  274),
     ('s390*',       '*',  283),
     ('sparc*',      '*',  218),
     ('sh*',         '*',  289),
@@ -46,7 +46,7 @@ IOPRIO_SET_ARCH_SYSCALL = [
     ('i*86',        '*',  289),
     ('ia64*',       '*', 1274),
     ('parisc*',     '*',  267),
-    ('powerpc*',    '*',  273),
+    ('ppc*',        '*',  273),
     ('s390*',       '*',  282),
     ('sparc*',      '*',  196),
     ('sh*',         '*',  288),