diff --git a/.gitignore b/.gitignore
index 7ad8de9..9c1bf0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+etc/*.theme.local
 .gdbhistory
 *.sw[op]
diff --git a/subr/build_init.subr b/subr/build_init.subr
index a6939b2..13819de 100644
--- a/subr/build_init.subr
+++ b/subr/build_init.subr
@@ -86,6 +86,11 @@ buildp_init_env() {
 				printf "Error: failed to source \`%s'.\n" "${_fname}" >&2; exit 1;
 			fi;
 		done;
+		if [ -e "etc/build.theme.local" ]; then
+			if ! . "etc/build.theme.local"; then
+				printf "Error: failed to source \`%s'.\n" "etc/build.theme.local" >&2; exit 1;
+			fi;
+		fi;
 	fi; return "${_rc}";
 };
 
diff --git a/subr/pkgtool_init.subr b/subr/pkgtool_init.subr
index d7bbd14..2a40842 100644
--- a/subr/pkgtool_init.subr
+++ b/subr/pkgtool_init.subr
@@ -33,6 +33,11 @@ pkgtoolp_init_env() {
 				printf "Error: failed to source \`%s'.\n" "${_fname}" >&2; exit 1;
 			fi;
 		done;
+		if [ -e "etc/pkgtool.theme.local" ]; then
+			if ! . "etc/pkgtool.theme.local"; then
+				printf "Error: failed to source \`%s'.\n" "etc/pkgtool.theme.local" >&2; exit 1;
+			fi;
+		fi;
 	fi; return "${_rc}";
 };