diff --git a/src/gfx_type.h b/src/gfx_type.h
index 6fca2228df..622676b5a0 100644
--- a/src/gfx_type.h
+++ b/src/gfx_type.h
@@ -102,6 +102,7 @@ enum WindowKeyCodes {
 	WKC_COMMA       = 151, ///< , Comma
 	WKC_PERIOD      = 152, ///< . Period
 	WKC_MINUS       = 153, ///< - Minus
+	WKC_HASH        = 154, ///< # Hash
 };
 
 /** A single sprite of a list of animated cursors */
diff --git a/src/hotkeys.cpp b/src/hotkeys.cpp
index aa883f7763..83a0ff9c6c 100644
--- a/src/hotkeys.cpp
+++ b/src/hotkeys.cpp
@@ -86,6 +86,7 @@ static const KeycodeNames _keycode_to_name[] = {
 	{".", WKC_PERIOD}, /* deprecated, use PERIOD */
 	{"MINUS", WKC_MINUS},
 	{"-", WKC_MINUS}, /* deprecated, use MINUS */
+	{"HASH", WKC_HASH},
 	{"PAGE_UP", WKC_PAGEUP},
 	{"PAGE_DOWN", WKC_PAGEDOWN},
 };
diff --git a/src/video/sdl2_v.cpp b/src/video/sdl2_v.cpp
index 60924b37ac..8b92b02546 100644
--- a/src/video/sdl2_v.cpp
+++ b/src/video/sdl2_v.cpp
@@ -701,7 +701,8 @@ static const VkMapping _vk_mapping[] = {
 	AS(SDLK_QUOTE,   WKC_SINGLEQUOTE),
 	AS(SDLK_COMMA,   WKC_COMMA),
 	AS(SDLK_MINUS,   WKC_MINUS),
-	AS(SDLK_PERIOD,  WKC_PERIOD)
+	AS(SDLK_PERIOD,  WKC_PERIOD),
+	AS(SDLK_HASH,    WKC_HASH),
 };
 
 static uint ConvertSdlKeyIntoMy(SDL_Keysym *sym, WChar *character)
diff --git a/src/video/sdl_v.cpp b/src/video/sdl_v.cpp
index 472a168363..fad15a19b6 100644
--- a/src/video/sdl_v.cpp
+++ b/src/video/sdl_v.cpp
@@ -470,7 +470,8 @@ static const VkMapping _vk_mapping[] = {
 	AS(SDLK_QUOTE,   WKC_SINGLEQUOTE),
 	AS(SDLK_COMMA,   WKC_COMMA),
 	AS(SDLK_MINUS,   WKC_MINUS),
-	AS(SDLK_PERIOD,  WKC_PERIOD)
+	AS(SDLK_PERIOD,  WKC_PERIOD),
+	AS(SDLK_HASH,    WKC_HASH),
 };
 
 static uint ConvertSdlKeyIntoMy(SDL_keysym *sym, WChar *character)