diff --git a/tests/data/parent/base.json b/tests/data/parent/base.json
index 650d625..4f1a93b 100644
--- a/tests/data/parent/base.json
+++ b/tests/data/parent/base.json
@@ -7,12 +7,12 @@
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-00",
-          "duration"   : 0x01
+          "duration"   : 1
         },
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-01",
-          "duration"   : 0x02
+          "duration"   : 2
         }
       ]
     },
@@ -22,7 +22,7 @@
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-00",
-          "duration"   : 0x03
+          "duration"   : 3
         }
       ]
     }
diff --git a/tests/data/parent/test.json b/tests/data/parent/test.json
index 60f863e..6dd3dc1 100644
--- a/tests/data/parent/test.json
+++ b/tests/data/parent/test.json
@@ -7,12 +7,12 @@
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-00",
-          "duration"   : 0x10
+          "duration"   : 16
         },
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-10",
-          "duration"   : 0x20
+          "duration"   : 32
         }
       ]
     },
@@ -22,7 +22,7 @@
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-10",
-          "duration"   : 0x30
+          "duration"   : 48
         }
       ]
     },
@@ -32,7 +32,7 @@
         {
           "type"       : "Dummy",
           "event-name" : "test-dummy-10",
-          "duration"   : 0x40
+          "duration"   : 64
         }
       ]
     }
diff --git a/tests/data/user-config/feedbackd/themes/custom.json b/tests/data/user-config/feedbackd/themes/custom.json
index d208710..65df22f 100644
--- a/tests/data/user-config/feedbackd/themes/custom.json
+++ b/tests/data/user-config/feedbackd/themes/custom.json
@@ -8,12 +8,12 @@
         {
           "event-name" : "test-dummy-0",
           "type"       : "Dummy",
-          "duration"   : 0x10
+          "duration"   : 16
         },
         {
           "event-name" : "test-dummy-2",
           "type"       : "Dummy",
-          "duration"   : 0x30
+          "duration"   : 48
         }
       ]
     }
diff --git a/tests/data/xdg-data/feedbackd/themes/replace.json b/tests/data/xdg-data/feedbackd/themes/replace.json
index 1fc0e26..a2ddf06 100644
--- a/tests/data/xdg-data/feedbackd/themes/replace.json
+++ b/tests/data/xdg-data/feedbackd/themes/replace.json
@@ -8,12 +8,12 @@
         {
           "event-name" : "test-dummy-0",
           "type"       : "Dummy",
-          "duration"   : 0x10
+          "duration"   : 16
         },
         {
           "event-name" : "test-dummy-2",
           "type"       : "Dummy",
-          "duration"   : 0x20
+          "duration"   : 32
         }
       ]
     }