diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-390.151.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-390.151.ebuild
index 3adab87a26eae..a76225d551c38 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-390.151.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-390.151.ebuild
@@ -167,7 +167,7 @@ src_prepare() {
 }
 
 src_compile() {
-	tc-export AR CC LD OBJCOPY
+	tc-export AR CC CXX LD OBJCOPY
 
 	NV_ARGS=(
 		PREFIX="${EPREFIX}"/usr
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-470.129.06.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-470.129.06.ebuild
index 3e46b31cd4357..0288dd432838a 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-470.129.06.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-470.129.06.ebuild
@@ -164,7 +164,7 @@ src_prepare() {
 }
 
 src_compile() {
-	tc-export AR CC LD OBJCOPY
+	tc-export AR CC CXX LD OBJCOPY
 
 	NV_ARGS=(
 		PREFIX="${EPREFIX}"/usr
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.30.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.30.ebuild
index f2528612b9fca..88c5511fa81ab 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.30.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.30.ebuild
@@ -164,7 +164,7 @@ src_prepare() {
 }
 
 src_compile() {
-	tc-export AR CC LD OBJCOPY
+	tc-export AR CC CXX LD OBJCOPY
 
 	NV_ARGS=(
 		PREFIX="${EPREFIX}"/usr
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-510.73.05.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-510.73.05.ebuild
index ef7321d6ffc19..c8428c85a1424 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-510.73.05.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-510.73.05.ebuild
@@ -169,7 +169,7 @@ src_prepare() {
 }
 
 src_compile() {
-	tc-export AR CC LD OBJCOPY
+	tc-export AR CC CXX LD OBJCOPY
 
 	NV_ARGS=(
 		PREFIX="${EPREFIX}"/usr
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-515.43.04.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-515.43.04.ebuild
index 378a4ea4e5fd4..6b86f430e3c43 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-515.43.04.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-515.43.04.ebuild
@@ -191,7 +191,7 @@ options nvidia NVreg_OpenRmEnableUnsupportedGpus=1' "${T}"/nvidia.conf || die
 }
 
 src_compile() {
-	tc-export AR CC LD OBJCOPY
+	tc-export AR CC CXX LD OBJCOPY
 
 	NV_ARGS=(
 		PREFIX="${EPREFIX}"/usr