diff --git a/libreoffice.spec b/libreoffice.spec
index 4d988f2..ce7a4c8 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -131,6 +131,7 @@ Patch1:         scp2-user-config-suse.diff
 # FIXME: the right fix is to compile the help and produce the .db_, .ht_, and other files
 Patch2:         nlpsolver-no-broken-help.diff
 Patch3:         mediawiki-no-broken-help.diff
+Patch4:         pdfium-optional.patch
 # PATCH-FIX-OPENSUSE boo#1186110 fix GCC 11 error
 Patch6:         gcc11-fix-error.patch
 Patch9:         fix_math_desktop_file.patch
@@ -1089,6 +1090,7 @@ Provides %{langname} translations and additional resources (help files, etc.) fo
 %endif # Leap 42/SLE-12
 %patch -P 2
 %patch -P 3
+%patch -P 4
 %patch -P 6 -p1
 %patch -P 9 -p1
 %if 0%{?suse_version} < 1500
diff --git a/pdfium-optional.patch b/pdfium-optional.patch
new file mode 100644
index 0000000..f72e59d
--- /dev/null
+++ b/pdfium-optional.patch
@@ -0,0 +1,19 @@
+--- external/pdfium/annot.patch.1
++++ external/pdfium/annot.patch.1
+@@ -2,7 +2,15 @@ diff --git a/fpdfsdk/fpdf_annot.cpp b/fpdfsdk/fpdf_annot.cpp
+ index bc1f7f7eb..075baf1df 100644
+ --- a/fpdfsdk/fpdf_annot.cpp
+ +++ b/fpdfsdk/fpdf_annot.cpp
+-@@ -1366,6 +1366,42 @@ FPDFAnnot_GetFontSize(FPDF_FORMHANDLE hHandle,
++@@ -5,6 +5,7 @@
++ #include "public/fpdf_annot.h"
++ 
++ #include <memory>
+++#include <optional>
++ #include <sstream>
++ #include <utility>
++ #include <vector>
++@@ -1366,6 +1367,42 @@ FPDFAnnot_GetFontSize(FPDF_FORMHANDLE hHandle,
+    return true;
+  }
+