diff --git a/lib/misc.vala b/lib/misc.vala
index 98c9dda..d1f136b 100644
--- a/lib/misc.vala
+++ b/lib/misc.vala
@@ -55,7 +55,8 @@ namespace LibSernatur {
 			 * @return Returns a string of the percentage
 			 */
 			public static string format_double (double value) {
-				return (value * 100).to_string () + "%";
+				// Remove the double precision by converting to float
+				return ((float) (value * (double) 100)).to_string () + "%";
 			}
 		}
 
diff --git a/test/percentage.vala b/test/percentage.vala
index 4f917fa..acc295a 100644
--- a/test/percentage.vala
+++ b/test/percentage.vala
@@ -2,8 +2,10 @@ using LibSernatur.Misc;
 
 void add_percentage_tests () {
     Test.add_func ("/sernatur/test/percentage", () => {
+		assert (Percentage.format_float ((float) 0.07) == "7%");
 		assert (Percentage.format_float ((float) 0.43) == "43%");
 		assert (Percentage.format_float ((float) 1) == "100%");
+		assert (Percentage.format_double (0.07) == "7%");
 		assert (Percentage.format_double (0.43) == "43%");
 		assert (Percentage.format_double (1) == "100%");
     });