diff --git a/core/etc/portage/make.conf.CYCLE.1 b/core/etc/portage/make.conf.CYCLE.1
index 21f48db..8229e25 100644
--- a/core/etc/portage/make.conf.CYCLE.1
+++ b/core/etc/portage/make.conf.CYCLE.1
@@ -1,4 +1,4 @@
-CFLAGS="-O2 -pipe"
+CFLAGS="-O2 -pipe -fno-diagnostics-color"
 CXXFLAGS="${CFLAGS}"
 CHOST="x86_64-pc-linux-gnu"
 MAKEOPTS="-j17"
diff --git a/core/etc/portage/make.conf.CYCLE.2 b/core/etc/portage/make.conf.CYCLE.2
index 20b9986..bb55faa 100644
--- a/core/etc/portage/make.conf.CYCLE.2
+++ b/core/etc/portage/make.conf.CYCLE.2
@@ -1,4 +1,4 @@
-CFLAGS="-O2 -pipe"
+CFLAGS="-O2 -pipe -fno-diagnostics-color"
 CXXFLAGS="${CFLAGS}"
 CHOST="x86_64-pc-linux-gnu"
 MAKEOPTS="-j17"
diff --git a/core/etc/portage/make.conf.CYCLE.3 b/core/etc/portage/make.conf.CYCLE.3
index faf8685..b309428 100644
--- a/core/etc/portage/make.conf.CYCLE.3
+++ b/core/etc/portage/make.conf.CYCLE.3
@@ -1,4 +1,4 @@
-CFLAGS="-O2 -pipe"
+CFLAGS="-O2 -pipe -fno-diagnostics-color"
 CXXFLAGS="${CFLAGS}"
 CHOST="x86_64-pc-linux-gnu"
 MAKEOPTS="-j17"