diff --git a/debian/changelog b/debian/changelog
index e1e8ad59..004d6044 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -12,6 +12,7 @@ llvm-toolchain-snapshot (1:18~++20230921012857+4cf8da94198d-1~exp1) UNRELEASED;
   * Limit the number of parallel processes based on the available memory
     and the packages to be built (flang has some memory hogs).
   * Also install liborc_rt*.a on ppc64 and ppc64el.
+  * Fix stripping build flags on Ubuntu/ppc64el.
 
   [ Sylvestre Ledru ]
   * New supstream release
diff --git a/debian/rules b/debian/rules
index d976fb55..82b82f39 100755
--- a/debian/rules
+++ b/debian/rules
@@ -65,9 +65,13 @@ CONFIGURE_EXTRA =
 # disable fixfilepath in favor of the llvm-project supplied flavor, disable lto
 export DEB_BUILD_MAINT_OPTIONS = reproducible=-fixfilepath,-fixdebugpath optimize=-lto
 # these are handled on a per stage / build basis
-export DEB_CFLAGS_MAINT_STRIP = -g -O2
-export DEB_CXXFLAGS_MAINT_STRIP = -g -O2
-
+ifeq ($(VENDOR)-$(DEB_HOST_ARCH),Ubuntu-ppc64el)
+  export DEB_CFLAGS_MAINT_STRIP = -g -O3
+  export DEB_CXXFLAGS_MAINT_STRIP = -g -O3
+else
+  export DEB_CFLAGS_MAINT_STRIP = -g -O2
+  export DEB_CXXFLAGS_MAINT_STRIP = -g -O2
+endif
 include /usr/share/dpkg/buildflags.mk
 
 # We use a stage2 build. It means that a first clang is built using gcc,