diff --git a/recipes-emulators/dosbox/dosbox-x.bb b/recipes-emulators/dosbox/dosbox-x.bb
index c850c9b..c064f52 100644
--- a/recipes-emulators/dosbox/dosbox-x.bb
+++ b/recipes-emulators/dosbox/dosbox-x.bb
@@ -23,6 +23,7 @@ SRC_URI = " \
     file://0001-use-pkgconfig-to-find-sdl2.patch \
     file://0002-Enable-unaligned-memory-based-on-recipe-s-suggestion.patch \
     file://0003-Treat-all-arm-hosts-as-armv7.patch \
+    file://0004-Fix-build-with-Werror-format-security.patch \
 "
 SRCREV = "d9f66b9635b062aaed0a704c7c6a600e0a7e7930"
 PV = "0.83.9"
diff --git a/recipes-emulators/dosbox/dosbox-x/0004-Fix-build-with-Werror-format-security.patch b/recipes-emulators/dosbox/dosbox-x/0004-Fix-build-with-Werror-format-security.patch
new file mode 100644
index 0000000..ed4d59b
--- /dev/null
+++ b/recipes-emulators/dosbox/dosbox-x/0004-Fix-build-with-Werror-format-security.patch
@@ -0,0 +1,74 @@
+From fe1c3225134be9523208945ab4ea20315bb4dad1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com>
+Date: Sat, 2 Jan 2021 16:02:09 +0100
+Subject: [PATCH] Fix build with -Werror=format-security
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Some build environments harden their security flags. For
+-Werror=format-security build failed with:
+
+| sdl_ttf.c:334:18: error: format not a string literal and no format arguments [-Werror=format-security]
+|   334 |  TTF_SetError(msg);
+|       |                  ^
+
+and
+
+| sdl_ttf.c:534:30: error: format not a string literal and no format arguments [-Werror=format-security]
+|   534 |   TTF_SetError(SDL_GetError());
+|       |                              ^
+
+While at it fix/simpify code path with defined USE_FREETYPE_ERRORS
+
+Upstream-Status: Submitted [https://github.com/joncampbell123/dosbox-x/pull/2146]
+
+Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
+---
+ src/gui/sdl_ttf.c | 10 ++++------
+ 1 file changed, 4 insertions(+), 6 deletions(-)
+
+diff --git a/src/gui/sdl_ttf.c b/src/gui/sdl_ttf.c
+index de6c829b7..b33e06013 100644
+--- a/src/gui/sdl_ttf.c
++++ b/src/gui/sdl_ttf.c
+@@ -316,7 +316,6 @@ static void TTF_SetFTError(const char *msg, FT_Error error)
+ 	};
+ 	int i;
+ 	const char *err_msg;
+-	char buffer[1024];
+ 
+ 	err_msg = NULL;
+ 	for ( i=0; i<((sizeof ft_errors)/(sizeof ft_errors[0])); ++i ) {
+@@ -328,10 +327,9 @@ static void TTF_SetFTError(const char *msg, FT_Error error)
+ 	if ( ! err_msg ) {
+ 		err_msg = "unknown FreeType error";
+ 	}
+-	sprintf(buffer, "%s: %s", msg, err_msg);
+-	TTF_SetError(buffer);
++	TTF_SetError("%s: %s", msg, err_msg);
+ #else
+-	TTF_SetError(msg);
++	TTF_SetError("%s", msg);
+ #endif /* USE_FREETYPE_ERRORS */
+ }
+ 
+@@ -533,7 +531,7 @@ TTF_Font* TTF_OpenFontIndex( const char *file, int ptsize, long index )
+ {
+ 	SDL_RWops *rw = SDL_RWFromFile(file, "rb");
+ 	if ( rw == NULL ) {
+-		TTF_SetError(SDL_GetError());
++		TTF_SetError("%s", SDL_GetError());
+ 		return NULL;
+ 	}
+ 	return TTF_OpenFontIndexRW(rw, 1, ptsize, index);
+@@ -2101,4 +2099,4 @@ int TTF_GetFontKerningSize(TTF_Font* font, int prev_index, int index)
+ 	FT_Vector delta; 
+ 	FT_Get_Kerning( font->face, prev_index, index, ft_kerning_default, &delta ); 
+ 	return (delta.x >> 6);
+-}
+\ No newline at end of file
++}
+-- 
+2.26.2
+