diff --git a/net-im/telegram-desktop/patches/telegram_desktop-1.9.3.patchset b/net-im/telegram-desktop/patches/telegram_desktop-1.9.3.patchset
index 0ef9339d6..201004c25 100644
--- a/net-im/telegram-desktop/patches/telegram_desktop-1.9.3.patchset
+++ b/net-im/telegram-desktop/patches/telegram_desktop-1.9.3.patchset
@@ -4343,7 +4343,7 @@ index b3d7ff4..37fd1eb 100644
 2.24.1
 
 
-From b26ccb6d1df0dd08562c0ee39a42a2a59146c2c4 Mon Sep 17 00:00:00 2001
+From bcce700284bed71887c9cba091ea51dab14f8c92 Mon Sep 17 00:00:00 2001
 From: Gerasim Troeglazov <3dEyes@gmail.com>
 Date: Mon, 6 Jan 2020 21:41:41 +1000
 Subject: Don't include SupportDefs.h
@@ -4412,3 +4412,34 @@ index 9eb64e8..e592a75 100644
 -- 
 2.24.1
 
+
+From 156d8e7b9b8f6ba585d469595756ff697a6e1d0e Mon Sep 17 00:00:00 2001
+From: Gerasim Troeglazov <3dEyes@gmail.com>
+Date: Tue, 7 Jan 2020 12:57:27 +1000
+Subject: Remove -pipe compiler options and use -Ofast optimisation
+
+
+diff --git a/cmake/options_haiku.cmake b/cmake/options_haiku.cmake
+index 677cb36..063f1ce 100644
+--- a/cmake/options_haiku.cmake
++++ b/cmake/options_haiku.cmake
+@@ -5,8 +5,7 @@
+ 
+ target_compile_options(common_options
+ INTERFACE
+-    $<IF:$<CONFIG:Debug>,,-O3 -fno-strict-aliasing>
+-    -pipe
++    $<IF:$<CONFIG:Debug>,,-Ofast -fno-strict-aliasing>
+     -fPIC
+     -mmmx
+     -msse2
+@@ -27,5 +26,5 @@ INTERFACE
+ )
+ target_link_options(common_options
+ INTERFACE
+-    $<IF:$<CONFIG:Debug>,,-O3>
++    $<IF:$<CONFIG:Debug>,,-Ofast>
+ )
+-- 
+2.24.1
+
diff --git a/net-im/telegram-desktop/telegram_desktop-1.9.3.recipe b/net-im/telegram-desktop/telegram_desktop-1.9.3.recipe
index 56144a2b1..66f9d86fa 100644
--- a/net-im/telegram-desktop/telegram_desktop-1.9.3.recipe
+++ b/net-im/telegram-desktop/telegram_desktop-1.9.3.recipe
@@ -125,7 +125,8 @@ BUILD()
 		-DTDESKTOP_API_HASH=$TELEGRAM_API_HASH
 
 	export DISABLE_ASLR=1
-	make $jobArgs
+	# multi-job takes too much memory
+	make
 
 	#build notify gate tool
 	gcc -o tg-notify-gate $sourceDir/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.cpp -lbe