diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 689ebf5849..343512f178 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -29,6 +29,7 @@
 - Improved: [#19447] The control key now enables word jumping in text input fields.
 - Improved: [#19463] Added ‘W’ and ‘Y’ with circumflex to sprite font (for Welsh).
 - Improved: [#19549] Enable large address awareness for 32 bit Windows builds allowing to use 4 GiB of virtual memory.
+- Improved: [#19668] Decreased the minimum map size from 13 to 3.
 - Change: [#19018] Renamed actions to fit the naming scheme.
 - Change: [#19091] [Plugin] Add game action information to callback arguments of custom actions.
 - Change: [#19233] Reduce lift speed minimum and maximum values for “Classic Wooden Coaster”.
diff --git a/src/openrct2/world/Map.h b/src/openrct2/world/Map.h
index 29949502e3..2663816076 100644
--- a/src/openrct2/world/Map.h
+++ b/src/openrct2/world/Map.h
@@ -21,7 +21,7 @@
 #define MINIMUM_WATER_HEIGHT 2
 #define MAXIMUM_WATER_HEIGHT 142
 
-#define MINIMUM_MAP_SIZE_TECHNICAL 15
+#define MINIMUM_MAP_SIZE_TECHNICAL 5
 #define MAXIMUM_MAP_SIZE_TECHNICAL 1001
 #define MINIMUM_MAP_SIZE_PRACTICAL (MINIMUM_MAP_SIZE_TECHNICAL - 2)
 #define MAXIMUM_MAP_SIZE_PRACTICAL (MAXIMUM_MAP_SIZE_TECHNICAL - 2)