diff --git a/py-sot-pattern-generator-v3/distinfo b/py-sot-pattern-generator-v3/distinfo
index dc30cda3477a0c3b972d87858f0bec514e2301f0..e5956432cf319050ab84ad05f9a66e6ed24f767c 100644
--- a/py-sot-pattern-generator-v3/distinfo
+++ b/py-sot-pattern-generator-v3/distinfo
@@ -1,3 +1,5 @@
 SHA1 (sot-pattern-generator-3.1.0.tar.gz) = dde74b7fe668b2d1ed0a6b2249f8de8caccef32f
 RMD160 (sot-pattern-generator-3.1.0.tar.gz) = 6463c19039fe6bfa0d2e2b784da3bec7eb083c02
 Size (sot-pattern-generator-3.1.0.tar.gz) = 840593 bytes
+SHA1 (patch-aa) = 10814c463d993c1d7e0052d67f06fde13622afd7
+SHA1 (patch-ab) = f1efb5610f3933cf0a79b23c7a8a5d15a29b5fe3
diff --git a/py-sot-pattern-generator-v3/patches/patch-aa b/py-sot-pattern-generator-v3/patches/patch-aa
new file mode 100644
index 0000000000000000000000000000000000000000..5cf6d1d54ce1ec8b0e16fe8628733121dc20c287
--- /dev/null
+++ b/py-sot-pattern-generator-v3/patches/patch-aa
@@ -0,0 +1,13 @@
+Don't install plugins that are already installed by sot-pattern-generator-v3
+
+--- src/CMakeLists.txt.orig	2018-08-17 15:19:12.000000000 +0200
++++ src/CMakeLists.txt	2018-12-13 11:07:17.868523867 +0100
+@@ -106,7 +106,7 @@
+   PKG_CONFIG_USE_DEPENDENCY(${LIBRARY_NAME} pinocchio)
+   PKG_CONFIG_USE_DEPENDENCY(${LIBRARY_NAME} sot-core)
+ 
+-  INSTALL(TARGETS ${LIBRARY_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/plugin)
++  #INSTALL(TARGETS ${LIBRARY_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/plugin)
+ 
+   # --- PY ---
+   IF(BUILD_PYTHON_INTERFACE)
diff --git a/py-sot-pattern-generator-v3/patches/patch-ab b/py-sot-pattern-generator-v3/patches/patch-ab
new file mode 100644
index 0000000000000000000000000000000000000000..45752bda09420c9e5d6e87b17057309e92eb15cb
--- /dev/null
+++ b/py-sot-pattern-generator-v3/patches/patch-ab
@@ -0,0 +1,13 @@
+Don't install the .pc file, that is already installed by sot-pattern-generator
+
+--- cmake/base.cmake.orig	2018-07-23 03:38:57.000000000 +0200
++++ cmake/base.cmake	2018-12-13 11:13:28.177001824 +0100
+@@ -226,7 +226,7 @@
+ #   finalize the project setup.
+ #
+ MACRO(SETUP_PROJECT_FINALIZE)
+-  _SETUP_PROJECT_PKG_CONFIG_FINALIZE()
++  #_SETUP_PROJECT_PKG_CONFIG_FINALIZE()
+   _SETUP_PROJECT_DOCUMENTATION_FINALIZE()
+   _SETUP_PROJECT_HEADER_FINAlIZE()
+   _SETUP_DEBIAN()