diff --git a/types/c3/c3-tests.ts b/types/c3/c3-tests.ts
index f2e630cd09..6d7ea67287 100644
--- a/types/c3/c3-tests.ts
+++ b/types/c3/c3-tests.ts
@@ -452,6 +452,7 @@ function gauge_examples() {
             max: 100,
             units: " %",
             width: 10,
+            fullCircle: true,
         }
     });
 }
diff --git a/types/c3/index.d.ts b/types/c3/index.d.ts
index 6c466458e3..0d94347ca3 100644
--- a/types/c3/index.d.ts
+++ b/types/c3/index.d.ts
@@ -276,6 +276,12 @@ export interface ChartConfiguration {
          * Set width of gauge chart.
          */
         width?: number;
+        /**
+         * Whether this should be displayed
+         * as a full circle instead of a
+         * half circle.
+         */
+        fullCircle?: boolean;
     };
 
     spline?: {