diff --git a/sys-apps/locale-gen/locale-gen-3.2-r1.ebuild b/sys-apps/locale-gen/locale-gen-3.2-r1.ebuild
index 832a9c0ffdf13..0f9eb6b9c6f41 100644
--- a/sys-apps/locale-gen/locale-gen-3.2-r1.ebuild
+++ b/sys-apps/locale-gen/locale-gen-3.2-r1.ebuild
@@ -33,7 +33,7 @@ src_prepare() {
 
 	eapply_user
 
-	perl -pi -e '$f //= ($. == 1 && s/^#!\K\//$ENV{MY_EPREFIX}\//); END { exit !$f }' "${PN}" \
+	perl -pi -e '$f //= ($. == 1 && s/^#!\h*\K/$ENV{MY_EPREFIX}/); END { exit !$f }' "${PN}" \
 	|| die "Failed to prefixify ${PN}"
 }
 
diff --git a/sys-apps/locale-gen/locale-gen-3.3-r1.ebuild b/sys-apps/locale-gen/locale-gen-3.3-r1.ebuild
index 832a9c0ffdf13..0f9eb6b9c6f41 100644
--- a/sys-apps/locale-gen/locale-gen-3.3-r1.ebuild
+++ b/sys-apps/locale-gen/locale-gen-3.3-r1.ebuild
@@ -33,7 +33,7 @@ src_prepare() {
 
 	eapply_user
 
-	perl -pi -e '$f //= ($. == 1 && s/^#!\K\//$ENV{MY_EPREFIX}\//); END { exit !$f }' "${PN}" \
+	perl -pi -e '$f //= ($. == 1 && s/^#!\h*\K/$ENV{MY_EPREFIX}/); END { exit !$f }' "${PN}" \
 	|| die "Failed to prefixify ${PN}"
 }
 
diff --git a/sys-apps/locale-gen/locale-gen-9999.ebuild b/sys-apps/locale-gen/locale-gen-9999.ebuild
index b3bcb3b41b7ab..c380120ac933f 100644
--- a/sys-apps/locale-gen/locale-gen-9999.ebuild
+++ b/sys-apps/locale-gen/locale-gen-9999.ebuild
@@ -33,7 +33,7 @@ src_prepare() {
 
 	eapply_user
 
-	perl -pi -e '$f //= ($. == 1 && s/^#!\K\//$ENV{MY_EPREFIX}\//); END { exit !$f }' "${PN}" \
+	perl -pi -e '$f //= ($. == 1 && s/^#!\h*\K/$ENV{MY_EPREFIX}/); END { exit !$f }' "${PN}" \
 	|| die "Failed to prefixify ${PN}"
 }