diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -47,7 +47,7 @@ static const uint8 PC_GRASS_LAND      = 
 static const uint8 PC_BARE_LAND       = 0x37; ///< Brown palette colour for bare land.
 static const uint8 PC_FIELDS          = 0x25; ///< Light brown palette colour for fields.
 static const uint8 PC_TREES           = 0x57; ///< Green palette colour for trees.
-static const uint8 PC_WATER           = 0xCA; ///< Dark blue palette colour for water.
+static const uint8 PC_WATER           = 0xC9; ///< Dark blue palette colour for water.
 
 /** Macro for ordinary entry of LegendAndColour */
 #define MK(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}