diff --git a/configure b/configure
index 5139e0194c..723d2f51c7 100755
--- a/configure
+++ b/configure
@@ -23673,7 +23673,7 @@ case "$host_cpu-$host_vendor-$host_os" in
     ##
     ## POSIX feature information can be found in the gcc manual at:
     ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
-##SCOT    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
+    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
 
     ## Need to add this so that O_DIRECT is visible for the direct
     ## VFD on Linux systems.
diff --git a/configure.ac b/configure.ac
index 811cb44803..32afb44132 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1087,7 +1087,7 @@ case "$host_cpu-$host_vendor-$host_os" in
     ##
     ## POSIX feature information can be found in the gcc manual at:
     ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
-##SCOT    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
+    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
 
     ## Need to add this so that O_DIRECT is visible for the direct
     ## VFD on Linux systems.