diff --git a/core/Makefile b/core/Makefile
index 3704eceb..95930607 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -59,7 +59,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/bintools/Makefile b/extensions/bintools/Makefile
index 67a1beac..60a5df27 100644
--- a/extensions/bintools/Makefile
+++ b/extensions/bintools/Makefile
@@ -42,7 +42,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/cstrike/Makefile b/extensions/cstrike/Makefile
index 76871ecc..f4a93d92 100644
--- a/extensions/cstrike/Makefile
+++ b/extensions/cstrike/Makefile
@@ -42,7 +42,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/geoip/Makefile b/extensions/geoip/Makefile
index 9ecaa4cf..12dbceb5 100644
--- a/extensions/geoip/Makefile
+++ b/extensions/geoip/Makefile
@@ -42,7 +42,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/mysql/Makefile b/extensions/mysql/Makefile
index 3ca7b070..645c0f36 100644
--- a/extensions/mysql/Makefile
+++ b/extensions/mysql/Makefile
@@ -46,7 +46,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/regex/Makefile b/extensions/regex/Makefile
index 5e50908d..8289b2f3 100644
--- a/extensions/regex/Makefile
+++ b/extensions/regex/Makefile
@@ -42,7 +42,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/sdktools/Makefile b/extensions/sdktools/Makefile
index cdc676cc..20469114 100644
--- a/extensions/sdktools/Makefile
+++ b/extensions/sdktools/Makefile
@@ -45,7 +45,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server -I$(HL2SDK)/common
diff --git a/extensions/sqlite/Makefile b/extensions/sqlite/Makefile
index 90e4f810..08fd03ba 100644
--- a/extensions/sqlite/Makefile
+++ b/extensions/sqlite/Makefile
@@ -62,7 +62,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/tf2/Makefile b/extensions/tf2/Makefile
index f98b48c5..6cb6917f 100644
--- a/extensions/tf2/Makefile
+++ b/extensions/tf2/Makefile
@@ -43,7 +43,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/extensions/topmenus/Makefile b/extensions/topmenus/Makefile
index f38d2733..6d2a7afb 100644
--- a/extensions/topmenus/Makefile
+++ b/extensions/topmenus/Makefile
@@ -43,7 +43,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/public/mms_sample_ext/Makefile b/public/mms_sample_ext/Makefile
index b82394b9..87801801 100644
--- a/public/mms_sample_ext/Makefile
+++ b/public/mms_sample_ext/Makefile
@@ -39,7 +39,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server
diff --git a/public/sample_ext/Makefile b/public/sample_ext/Makefile
index 376d27b1..b68f5bd1 100644
--- a/public/sample_ext/Makefile
+++ b/public/sample_ext/Makefile
@@ -42,7 +42,7 @@ endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
 	HL2PUB = $(HL2SDK_OB)/public
-	HL2LIB = $(HL2SDK_OB)/linux_sdk
+	HL2LIB = $(HL2SDK_OB)/lib/linux
 	CFLAGS += -DORANGEBOX_BUILD
 	METAMOD = $(SOURCEMM16)
 	INCLUDE += -I$(HL2SDK)/public/game/server