diff --git a/lib_fiber/c/Makefile b/lib_fiber/c/Makefile
index ba3815b80..e190fa599 100644
--- a/lib_fiber/c/Makefile
+++ b/lib_fiber/c/Makefile
@@ -117,7 +117,10 @@ endif
 ifeq ($(findstring Linux, $(UNIXNAME)), Linux)
 	UNIXTYPE = LINUX
 	CFLAGS += -DSHARE_STACK
-	CFLAGS += -DHAS_IO_URING
+	has_io_uring=$(HAS_IO_URING)
+	ifeq ($(has_io_uring), yes)
+		CFLAGS += -DHAS_IO_URING
+	endif
 endif
 
 # For CYGWIN
diff --git a/lib_fiber/samples/client2/Makefile b/lib_fiber/samples/client2/Makefile
index 3209bff21..0d4d2a312 100644
--- a/lib_fiber/samples/client2/Makefile
+++ b/lib_fiber/samples/client2/Makefile
@@ -1,5 +1,8 @@
 include ../Makefile.in
 ifeq ($(findstring Linux, $(UNIXNAME)), Linux)
-	SYSLIB += -luring
+	has_io_uring=$(HAS_IO_URING)
+	ifeq ($(has_io_uring), yes)
+		SYSLIB += -luring
+	endif
 endif
 PROG = client
diff --git a/lib_fiber/samples/file/Makefile b/lib_fiber/samples/file/Makefile
index f0213c919..df9857c41 100644
--- a/lib_fiber/samples/file/Makefile
+++ b/lib_fiber/samples/file/Makefile
@@ -1,5 +1,8 @@
 include ../Makefile.in
 ifeq ($(findstring Linux, $(UNIXNAME)), Linux)
-	SYSLIB += -luring
+	has_io_uring=$(HAS_IO_URING)
+	ifeq ($(has_io_uring), yes)
+		SYSLIB += -luring
+	endif
 endif
 PROG = file
diff --git a/lib_fiber/samples/server2/Makefile b/lib_fiber/samples/server2/Makefile
index 20b30d49a..b271932a9 100644
--- a/lib_fiber/samples/server2/Makefile
+++ b/lib_fiber/samples/server2/Makefile
@@ -1,5 +1,8 @@
 include ../Makefile.in
 ifeq ($(findstring Linux, $(UNIXNAME)), Linux)
-	SYSLIB += -luring
+	has_io_uring=${HAS_IO_URING)
+	ifeq ($(has_io_uring), yes)
+		SYSLIB += -luring
+	endif
 endif
 PROG = server