diff --git a/include/hexagram/temp.h b/include/hexagram/temp.h
index 1f15bf7..03b5f23 100644
--- a/include/hexagram/temp.h
+++ b/include/hexagram/temp.h
@@ -19,8 +19,9 @@ typedef struct _hexagram_temp {
 int hexagram_temp_init(hexagram_temp *temp,
                        double x,
                        double y,
-                       hexagram_text_align align,
-                       hexagram_temp_units units);
+                       hexagram_text_align align);
+
+void hexagram_temp_set_units(hexagram_temp *temp, hexagram_temp_units units);
 
 void hexagram_temp_cleanup(hexagram_temp *temp);
 
diff --git a/src/cluster.c b/src/cluster.c
index 7195d24..bde7d5a 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -149,8 +149,7 @@ int hexagram_cluster_init(hexagram_cluster *cluster) {
     if (hexagram_temp_init(&cluster->temp,
                            CLUSTER_WIDTH - 0.8 * CLUSTER_HEIGHT,
                            CLUSTER_HEIGHT - (SECTION_HEIGHT_BOTTOM - HEXAGRAM_TEXT_FONT_SIZE) / 2,
-                           HEXAGRAM_TEXT_RIGHT,
-                           HEXAGRAM_TEMP_CELSIUS) < 0) {
+                           HEXAGRAM_TEXT_RIGHT) < 0) {
         goto error_temp_init;
     }
 
diff --git a/src/temp.c b/src/temp.c
index f40f178..addc8ba 100644
--- a/src/temp.c
+++ b/src/temp.c
@@ -5,6 +5,8 @@
 #include <hexagram/temp.h>
 #include <hexagram/status.h>
 
+#define DEFAULT_UNITS HEXAGRAM_TEMP_CELSIUS
+
 #define ICON_ID      HEXAGRAM_STATUS_COLD
 #define ICON_NAME    "cold"
 #define ICON_STYLE   "path {stroke: %1$s; stroke-width: 8}"
@@ -80,8 +82,7 @@ error_format_text:
 int hexagram_temp_init(hexagram_temp *temp,
                        double x,
                        double y,
-                       hexagram_text_align align,
-                       hexagram_temp_units units) {
+                       hexagram_text_align align) {
     if (hexagram_text_init(&temp->text,
                            x,
                            y,
@@ -102,7 +103,7 @@ int hexagram_temp_init(hexagram_temp *temp,
         goto error_icon_init;
     }
 
-    temp->units = units;
+    temp->units = DEFAULT_UNITS;
     temp->value = 0;
 
     return 0;
@@ -112,6 +113,10 @@ error_text_init:
     return -1;
 }
 
+void hexagram_temp_set_units(hexagram_temp *temp, hexagram_temp_units units) {
+    temp->units = units;
+}
+
 void hexagram_temp_cleanup(hexagram_temp *temp) {
     hexagram_icon_cleanup(&temp->icon);
 }