diff --git a/c/src/lib/libbsp/powerpc/gen83xx/ChangeLog b/c/src/lib/libbsp/powerpc/gen83xx/ChangeLog
index 614ccbdffd..e1b32e5f2f 100644
--- a/c/src/lib/libbsp/powerpc/gen83xx/ChangeLog
+++ b/c/src/lib/libbsp/powerpc/gen83xx/ChangeLog
@@ -1,3 +1,7 @@
+2007-10-26	Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
+
+	* startup/cpuinit.c: reenable instruction MMU
+
 2007-10-26	Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
 
 	* README.mpc8349eamds: added file
diff --git a/c/src/lib/libbsp/powerpc/gen83xx/startup/cpuinit.c b/c/src/lib/libbsp/powerpc/gen83xx/startup/cpuinit.c
index fdf8f0fba8..f07e7befc2 100644
--- a/c/src/lib/libbsp/powerpc/gen83xx/startup/cpuinit.c
+++ b/c/src/lib/libbsp/powerpc/gen83xx/startup/cpuinit.c
@@ -198,7 +198,7 @@ void cpu_init(void)
   /*
    * enable data/instruction MMU in MSR
    */
-  _write_MSR(_read_MSR() | MSR_DR/* | MSR_IR*/);
+  _write_MSR(_read_MSR() | MSR_DR | MSR_IR);
 
   /*
    * enable FPU in MSR