diff --git a/configure.ac b/configure.ac
index 802009efc..1e196f730 100644
--- a/configure.ac
+++ b/configure.ac
@@ -133,7 +133,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
-        -fdiagnostics-color=auto \
+        -fdiagnostics-color \
         -fno-strict-aliasing \
         -fvisibility=hidden \
         -ffunction-sections \