diff --git a/src/webfuse/util/authenticator.cpp b/src/webfuse/util/authenticator.cpp
index 990aab9..7cf7e15 100644
--- a/src/webfuse/util/authenticator.cpp
+++ b/src/webfuse/util/authenticator.cpp
@@ -4,7 +4,8 @@
 #include <sys/wait.h>
 #include <fcntl.h>
 
-#ifndef closefrom
+// closefrom was introduced in glibc 2.34
+#if  __GLIBC__ <= 2 && __GLIBC_MINOR__ < 34
 namespace
 {
 
diff --git a/test-src/integration/webfuse/test/process.cpp b/test-src/integration/webfuse/test/process.cpp
index 86e657e..b4964ab 100644
--- a/test-src/integration/webfuse/test/process.cpp
+++ b/test-src/integration/webfuse/test/process.cpp
@@ -9,7 +9,8 @@
 
 #include <stdexcept>
 
-#ifndef closefrom
+// closefrom was introduced in glibc 2.34
+#if  __GLIBC__ <= 2 && __GLIBC_MINOR__ < 34
 namespace
 {