diff --git a/tools-musl/run-armv7a.sh b/tools-musl/run-armv7a.sh
index 6892f2fd..bdb4af52 100755
--- a/tools-musl/run-armv7a.sh
+++ b/tools-musl/run-armv7a.sh
@@ -39,7 +39,7 @@ prepare_confs() {
       stage${s}-${arch}-musl-${flavor}.conf
 
     portage_confdir=$(grep portage_confdir stage${s}-${arch}-musl-${flavor}.conf \
-      | sed -e 's/^.*://')
+      | sed -e 's/^.*:[ \t]*//')
     [[ ! -e ${portage_confdir} ]] && sed -i -e '/^portage_confdir/d' \
       stage${s}-${arch}-musl-${flavor}.conf
   done
diff --git a/tools-musl/run-mips32r2.sh b/tools-musl/run-mips32r2.sh
index 08183616..14f6c1a5 100755
--- a/tools-musl/run-mips32r2.sh
+++ b/tools-musl/run-mips32r2.sh
@@ -29,7 +29,7 @@ prepare_confs() {
         >  stage${s}-${arch}-musl-${flavor}.conf
 
     portage_confdir=$(grep portage_confdir stage${s}-${arch}-musl-${flavor}.conf \
-      | sed -e 's/^.*://')
+      | sed -e 's/^.*:[ \t]*//')
     [[ ! -e ${portage_confdir} ]] && sed -i -e '/^portage_confdir/d' \
       stage${s}-${arch}-musl-${flavor}.conf
   done
diff --git a/tools-musl/run-mipsel3.sh b/tools-musl/run-mipsel3.sh
index 51c67538..f785b299 100755
--- a/tools-musl/run-mipsel3.sh
+++ b/tools-musl/run-mipsel3.sh
@@ -29,7 +29,7 @@ prepare_confs() {
         >  stage${s}-${arch}-musl-${flavor}.conf
 
     portage_confdir=$(grep portage_confdir stage${s}-${arch}-musl-${flavor}.conf \
-      | sed -e 's/^.*://')
+      | sed -e 's/^.*:[ \t]*//')
     [[ ! -e ${portage_confdir} ]] && sed -i -e '/^portage_confdir/d' \
       stage${s}-${arch}-musl-${flavor}.conf
   done
diff --git a/tools-musl/run-ppc.sh b/tools-musl/run-ppc.sh
index bb516729..9580bac4 100755
--- a/tools-musl/run-ppc.sh
+++ b/tools-musl/run-ppc.sh
@@ -29,7 +29,7 @@ prepare_confs() {
         >  stage${s}-${arch}-musl-${flavor}.conf
 
     portage_confdir=$(grep portage_confdir stage${s}-${arch}-musl-${flavor}.conf \
-      | sed -e 's/^.*://')
+      | sed -e 's/^.*:[ \t]*//')
     [[ ! -e ${portage_confdir} ]] && sed -i -e '/^portage_confdir/d' \
       stage${s}-${arch}-musl-${flavor}.conf
   done
diff --git a/tools-musl/run.sh b/tools-musl/run.sh
index 17d883bb..cbd9b875 100755
--- a/tools-musl/run.sh
+++ b/tools-musl/run.sh
@@ -31,7 +31,7 @@ prepare_confs() {
         >  stage${s}-${arch}-musl-${flavor}.conf
 
     portage_confdir=$(grep portage_confdir stage${s}-${arch}-musl-${flavor}.conf \
-      | sed -e 's/^.*://')
+      | sed -e 's/^.*:[ \t]*//')
     [[ ! -e ${portage_confdir} ]] && sed -i -e '/^portage_confdir/d' \
       stage${s}-${arch}-musl-${flavor}.conf
   done