diff --git a/client/src/main/kotlin/org/hso/texturesyncclient/controller/net/InternalJsonModel.kt b/client/src/main/kotlin/org/hso/texturesyncclient/controller/net/InternalJsonModel.kt
index 324b430..326dd55 100644
--- a/client/src/main/kotlin/org/hso/texturesyncclient/controller/net/InternalJsonModel.kt
+++ b/client/src/main/kotlin/org/hso/texturesyncclient/controller/net/InternalJsonModel.kt
@@ -30,7 +30,7 @@ internal data class InternalTexture(
         resolution = arrayOf(tex.resolution.first, tex.resolution.second),
         added_on = arrayOf(
             tex.addedOn.get(Calendar.YEAR), //
-            tex.addedOn.get(Calendar.MONTH), //
+            tex.addedOn.get(Calendar.MONTH) + 1, //
             tex.addedOn.get(Calendar.DAY_OF_MONTH)
         ),
         texture_hash = tex.textureHash.toString()
@@ -50,7 +50,7 @@ internal data class InternalTexture(
                     else -> throw ConnectionInvalidJsonException()
                 },
                 resolution = Pair(resolution[0], resolution[1]),
-                addedOn = GregorianCalendar(added_on[0], added_on[1], added_on[2]),
+                addedOn = GregorianCalendar(added_on[0], added_on[1] - 1, added_on[2]),
                 textureHash = Sha256(texture_hash)
             )
         } catch (e: Exception) { // i Know, but no time :[]