diff --git a/net-im/telegram-desktop/files/tdesktop-4.0.2-fix-gcc12-cstdint.patch b/net-im/telegram-desktop/files/tdesktop-4.0.2-fix-gcc12-cstdint.patch
new file mode 100644
index 0000000000000..a3d67e0c9a1bf
--- /dev/null
+++ b/net-im/telegram-desktop/files/tdesktop-4.0.2-fix-gcc12-cstdint.patch
@@ -0,0 +1,10 @@
+--- a/Telegram/ThirdParty/tgcalls/tgcalls/utils/gzip.h
++++ b/Telegram/ThirdParty/tgcalls/tgcalls/utils/gzip.h
+@@ -2,6 +2,7 @@
+ #define TGCALLS_UTILS_GZIP_H
+ 
+ #include <absl/types/optional.h>
++#include <cstdint>
+ #include <vector>
+ 
+ namespace tgcalls {
diff --git a/net-im/telegram-desktop/telegram-desktop-4.0.2.ebuild b/net-im/telegram-desktop/telegram-desktop-4.0.2.ebuild
index 930d3d186fc39..be7e1428d2a71 100644
--- a/net-im/telegram-desktop/telegram-desktop-4.0.2.ebuild
+++ b/net-im/telegram-desktop/telegram-desktop-4.0.2.ebuild
@@ -75,6 +75,7 @@ PATCHES=(
 	"${FILESDIR}/tdesktop-3.6.0-jemalloc-only-telegram.patch"
 	"${FILESDIR}/tdesktop-3.3.0-fix-enchant.patch"
 	"${FILESDIR}/tdesktop-3.5.2-musl.patch"
+	"${FILESDIR}/tdesktop-4.0.2-fix-gcc12-cstdint.patch"
 )
 
 # Current desktop-file-utils-0.26 does not understand Version=1.5