diff --git a/tools/debian/patches/weechat_debian_buster.patch b/tools/debian/patches/weechat_debian_buster.patch
index ecb3483ff..096c50ef3 100644
--- a/tools/debian/patches/weechat_debian_buster.patch
+++ b/tools/debian/patches/weechat_debian_buster.patch
@@ -1,5 +1,5 @@
 diff --git a/debian-devel/control b/debian-devel/control
-index 1abbda247..0db73f390 100644
+index a5d24b6a8..edae1ec5e 100644
 --- a/debian-devel/control
 +++ b/debian-devel/control
 @@ -14,7 +14,7 @@ Build-Depends:
@@ -11,8 +11,20 @@ index 1abbda247..0db73f390 100644
      php-dev, libphp-embed, libargon2-dev, libsodium-dev,
      libxml2-dev,
      libcurl4-gnutls-dev,
+diff --git a/debian-devel/rules b/debian-devel/rules
+index cab713c93..d2756333b 100755
+--- a/debian-devel/rules
++++ b/debian-devel/rules
+@@ -8,6 +8,7 @@ override_dh_auto_configure:
+ 	dh_auto_configure --buildsystem=cmake -- \
+ 		-DCMAKE_INSTALL_PREFIX:FILEPATH=/usr \
+ 		-DLIBDIR=/usr/lib/${DEB_HOST_MULTIARCH} \
++		-DENABLE_CJSON:BOOL=OFF \
+ 		-DENABLE_DOC:BOOL=ON \
+ 		-DENABLE_MAN:BOOL=ON \
+ 		-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
 diff --git a/debian-stable/control b/debian-stable/control
-index 428f11ce9..dcf71da3e 100644
+index a75e6fee5..50c4f69a8 100644
 --- a/debian-stable/control
 +++ b/debian-stable/control
 @@ -14,7 +14,7 @@ Build-Depends:
@@ -24,3 +36,15 @@ index 428f11ce9..dcf71da3e 100644
      php-dev, libphp-embed, libargon2-dev, libsodium-dev,
      libxml2-dev,
      libcurl4-gnutls-dev,
+diff --git a/debian-stable/rules b/debian-stable/rules
+index cab713c93..d2756333b 100755
+--- a/debian-stable/rules
++++ b/debian-stable/rules
+@@ -8,6 +8,7 @@ override_dh_auto_configure:
+ 	dh_auto_configure --buildsystem=cmake -- \
+ 		-DCMAKE_INSTALL_PREFIX:FILEPATH=/usr \
+ 		-DLIBDIR=/usr/lib/${DEB_HOST_MULTIARCH} \
++		-DENABLE_CJSON:BOOL=OFF \
+ 		-DENABLE_DOC:BOOL=ON \
+ 		-DENABLE_MAN:BOOL=ON \
+ 		-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
diff --git a/tools/debian/patches/weechat_ubuntu_focal.patch b/tools/debian/patches/weechat_ubuntu_focal.patch
new file mode 100644
index 000000000..10cd0f6ff
--- /dev/null
+++ b/tools/debian/patches/weechat_ubuntu_focal.patch
@@ -0,0 +1,24 @@
+diff --git a/debian-devel/rules b/debian-devel/rules
+index cab713c93..d2756333b 100755
+--- a/debian-devel/rules
++++ b/debian-devel/rules
+@@ -8,6 +8,7 @@ override_dh_auto_configure:
+ 	dh_auto_configure --buildsystem=cmake -- \
+ 		-DCMAKE_INSTALL_PREFIX:FILEPATH=/usr \
+ 		-DLIBDIR=/usr/lib/${DEB_HOST_MULTIARCH} \
++		-DENABLE_CJSON:BOOL=OFF \
+ 		-DENABLE_DOC:BOOL=ON \
+ 		-DENABLE_MAN:BOOL=ON \
+ 		-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
+diff --git a/debian-stable/rules b/debian-stable/rules
+index cab713c93..d2756333b 100755
+--- a/debian-stable/rules
++++ b/debian-stable/rules
+@@ -8,6 +8,7 @@ override_dh_auto_configure:
+ 	dh_auto_configure --buildsystem=cmake -- \
+ 		-DCMAKE_INSTALL_PREFIX:FILEPATH=/usr \
+ 		-DLIBDIR=/usr/lib/${DEB_HOST_MULTIARCH} \
++		-DENABLE_CJSON:BOOL=OFF \
+ 		-DENABLE_DOC:BOOL=ON \
+ 		-DENABLE_MAN:BOOL=ON \
+ 		-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo \