diff --git a/dev-cpp/eigen/eigen-9999.ebuild b/dev-cpp/eigen/eigen-9999.ebuild
index 8b5000f182ed4..65125fc0f5fe6 100644
--- a/dev-cpp/eigen/eigen-9999.ebuild
+++ b/dev-cpp/eigen/eigen-9999.ebuild
@@ -214,7 +214,7 @@ DEPEND="
 "
 
 PATCHES=(
-	"${FILESDIR}/${PN}-3.4.0-doc-nocompress.patch" # bug 830064
+	"${FILESDIR}/${PN}-9999-doc-nocompress.patch" # bug 830064
 	"${FILESDIR}/${PN}-3.4.0-buildstring.patch"
 
 	"${FILESDIR}/${PN}-5.0.1-cmake-GNUInstallDirs.patch"
diff --git a/dev-cpp/eigen/files/eigen-9999-doc-nocompress.patch b/dev-cpp/eigen/files/eigen-9999-doc-nocompress.patch
new file mode 100644
index 0000000000000..0ae78eb2ddc79
--- /dev/null
+++ b/dev-cpp/eigen/files/eigen-9999-doc-nocompress.patch
@@ -0,0 +1,15 @@
+--- a/doc/CMakeLists.txt
++++ b/doc/CMakeLists.txt
+@@ -112,11 +112,7 @@
+   COMMAND doxygen
+   COMMAND doxygen Doxyfile-contrib
+   COMMAND ${CMAKE_COMMAND} -E copy ${Eigen_BINARY_DIR}/doc/html/group__TopicUnalignedArrayAssert.html ${Eigen_BINARY_DIR}/doc/html/TopicUnalignedArrayAssert.html
+-  COMMAND ${CMAKE_COMMAND} -E rename html eigen-doc
+-  COMMAND ${CMAKE_COMMAND} -E remove eigen-doc/eigen-doc.tgz eigen-doc/contrib/_formulas.log eigen-doc/_formulas.log
+-  COMMAND ${CMAKE_COMMAND} -E tar cfz eigen-doc.tgz eigen-doc
+-  COMMAND ${CMAKE_COMMAND} -E rename eigen-doc.tgz eigen-doc/eigen-doc.tgz
+-  COMMAND ${CMAKE_COMMAND} -E rename eigen-doc html
++  COMMAND ${CMAKE_COMMAND} -E remove html/contrib/_formulas.log html/_formulas.log
+   WORKING_DIRECTORY ${Eigen_BINARY_DIR}/doc)
+ 
+ add_dependencies(doc doc-eigen-prerequisites doc-contrib-prerequisites)