diff --git a/gnome/gnucash/Portfile b/gnome/gnucash/Portfile
index e145adfc3a96d..4b9a586a4cb35 100644
--- a/gnome/gnucash/Portfile
+++ b/gnome/gnucash/Portfile
@@ -13,6 +13,7 @@ name              gnucash
 conflicts         gnucash gnucash-devel
 conflicts-delete  ${subport}
 version           5.9
+revision          1
 perl5.branches    5.34
 categories        gnome x11
 license           GPL-2+
@@ -45,6 +46,7 @@ checksums         rmd160  85594687cefde045923f6fb1088a7defb51116a0 \
 
 patchfiles-append patch-CMakeLists.txt.diff
 #patchfiles-append patch-gnucash-remove-test-failing-to-build.diff
+patchfiles-append patch-libgnucash-engine-cmake.diff
 post-patch {
     reinplace "s|set(HAVE_OSX_KEYCHAIN 1)||" ${worksrcpath}/CMakeLists.txt
     reinplace "s|-Werror||" ${worksrcpath}/CMakeLists.txt
diff --git a/gnome/gnucash/files/patch-libgnucash-engine-cmake.diff b/gnome/gnucash/files/patch-libgnucash-engine-cmake.diff
new file mode 100644
index 0000000000000..ed02466f04384
--- /dev/null
+++ b/gnome/gnucash/files/patch-libgnucash-engine-cmake.diff
@@ -0,0 +1,10 @@
+--- libgnucash/engine/CMakeLists.txt.orig	2024-09-26 21:11:25
++++ libgnucash/engine/CMakeLists.txt	2024-12-12 20:32:35
+@@ -238,6 +238,7 @@
+     ${Boost_DATE_TIME_LIBRARY}
+     ${Boost_REGEX_LIBRARY}
+     ${ICU4C_I18N_LDFLAGS}
++    ${ICU4C_LDFLAGS}
+     ${REGEX_LDFLAGS}
+     ${GMODULE_LDFLAGS}
+     PkgConfig::GLIB2