diff --git a/net-ftp/lftp/files/lftp-4.9.3-gnulib-stdlib.h.patch b/net-ftp/lftp/files/lftp-4.9.3-gnulib-stdlib.h.patch
new file mode 100644
index 0000000000000..498ee402bee59
--- /dev/null
+++ b/net-ftp/lftp/files/lftp-4.9.3-gnulib-stdlib.h.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
+index ed00a43..f37ff84 100644
+--- a/lib/stdlib.in.h
++++ b/lib/stdlib.in.h
+@@ -119,7 +119,7 @@ struct random_data
+ # include <unistd.h>
+ #endif
+ 
+-#if ((@GNULIB_STRTOL@ && @REPLACE_STRTOL@) || (@GNULIB_STRTOLL@ && @REPLACE_STRTOLL@) || (@GNULIB_STRTOUL@ && @REPLACE_STRTOUL@) || (@GNULIB_STRTOULL@ && @REPLACE_STRTOULL@)) && defined __cplusplus && !defined GNULIB_NAMESPACE && defined __GNUG__ && !defined __clang__
++#if ((@GNULIB_STRTOL@ && @REPLACE_STRTOL@) || (@GNULIB_STRTOLL@ && @REPLACE_STRTOLL@) || (@GNULIB_STRTOUL@ && @REPLACE_STRTOUL@) || (@GNULIB_STRTOULL@ && @REPLACE_STRTOULL@)) && defined __cplusplus && !defined GNULIB_NAMESPACE && defined __GNUG__
+ /* When strtol, strtoll, strtoul, or strtoull is going to be defined as a macro
+    below, this may cause compilation errors later in the libstdc++ header files
+    (that are part of GCC), such as:
diff --git a/net-ftp/lftp/lftp-4.9.3.ebuild b/net-ftp/lftp/lftp-4.9.3.ebuild
index a752e9b046743..6f3384a127718 100644
--- a/net-ftp/lftp/lftp-4.9.3.ebuild
+++ b/net-ftp/lftp/lftp-4.9.3.ebuild
@@ -60,6 +60,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-4.9.1-libdir-readline.patch
 	"${FILESDIR}"/${PN}-4.9.2-socks.patch
 	"${FILESDIR}"/${PN}-4.9.3-gnulib.patch
+	"${FILESDIR}"/${PN}-4.9.3-gnulib-stdlib.h.patch
 )
 
 # Gnulib false positive #900064