diff --git a/www-servers/nginx-unit/nginx-unit-1.12.0-r3.ebuild b/www-servers/nginx-unit/nginx-unit-1.12.0-r3.ebuild
index a4a9d943b1c6b..b5cc2daa9bc1a 100644
--- a/www-servers/nginx-unit/nginx-unit-1.12.0-r3.ebuild
+++ b/www-servers/nginx-unit/nginx-unit-1.12.0-r3.ebuild
@@ -5,7 +5,7 @@ EAPI=7
 
 PYTHON_COMPAT=(python3_{6,7})
 
-inherit flag-o-matic python-single-r1
+inherit flag-o-matic python-single-r1 toolchain-funcs
 
 MY_P="unit-${PV}"
 DESCRIPTION="Dynamic web and application server"
diff --git a/www-servers/nginx-unit/nginx-unit-1.13.0.ebuild b/www-servers/nginx-unit/nginx-unit-1.13.0.ebuild
index cacf958665f44..b6cf78f36215f 100644
--- a/www-servers/nginx-unit/nginx-unit-1.13.0.ebuild
+++ b/www-servers/nginx-unit/nginx-unit-1.13.0.ebuild
@@ -5,7 +5,7 @@ EAPI=7
 
 PYTHON_COMPAT=(python3_{6,7})
 
-inherit flag-o-matic python-single-r1
+inherit flag-o-matic python-single-r1 toolchain-funcs
 
 MY_P="unit-${PV}"
 DESCRIPTION="Dynamic web and application server"
diff --git a/www-servers/nginx-unit/nginx-unit-1.14.0.ebuild b/www-servers/nginx-unit/nginx-unit-1.14.0.ebuild
index a3a56bb2a2648..60d99e08ee716 100644
--- a/www-servers/nginx-unit/nginx-unit-1.14.0.ebuild
+++ b/www-servers/nginx-unit/nginx-unit-1.14.0.ebuild
@@ -5,7 +5,7 @@ EAPI=7
 
 PYTHON_COMPAT=(python3_{6,7,8})
 
-inherit flag-o-matic python-single-r1
+inherit flag-o-matic python-single-r1 toolchain-funcs
 
 MY_P="unit-${PV}"
 DESCRIPTION="Dynamic web and application server"
diff --git a/www-servers/nginx-unit/nginx-unit-1.15.0.ebuild b/www-servers/nginx-unit/nginx-unit-1.15.0.ebuild
index 28295fbc991cb..ac0c6c8fc9569 100644
--- a/www-servers/nginx-unit/nginx-unit-1.15.0.ebuild
+++ b/www-servers/nginx-unit/nginx-unit-1.15.0.ebuild
@@ -5,7 +5,7 @@ EAPI=7
 
 PYTHON_COMPAT=(python3_{6,7,8})
 
-inherit flag-o-matic python-single-r1
+inherit flag-o-matic python-single-r1 toolchain-funcs
 
 MY_P="unit-${PV}"
 DESCRIPTION="Dynamic web and application server"