diff --git a/CMakeLists.txt b/CMakeLists.txt
index 836e1b0a..7c7aa757 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ message(STATUS "Python version: ${PYTHON_VERSION}")
 
 
 execute_process(
-COMMAND ${CYTHON} -${PYTHON_VERSION} bolero/utils/_ranking_svm.pyx
+COMMAND ${CYTHON}${PYTHON_VERSION} bolero/utils/_ranking_svm.pyx
 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 
 set(SETUP_PY "${CMAKE_CURRENT_SOURCE_DIR}/setup.py")
diff --git a/include/bolero.pc.in b/include/bolero.pc.in
index 2b5fa88e..b29d8031 100644
--- a/include/bolero.pc.in
+++ b/include/bolero.pc.in
@@ -2,8 +2,9 @@ prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
 libdir=${prefix}/lib
 includedir=${prefix}/include/@PROJECT_NAME@
+includedir2=${prefix}/include
 
 Name: @PROJECT_NAME@
 Description: @PROJECT_DESCRIPTION@
 Version: @PROJECT_VERSION@
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I${includedir2}
diff --git a/src/environment/mars_environment/mars_environment.pc.in b/src/environment/mars_environment/mars_environment.pc.in
index 05786cd5..1032a88f 100644
--- a/src/environment/mars_environment/mars_environment.pc.in
+++ b/src/environment/mars_environment/mars_environment.pc.in
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
 libdir=${prefix}/lib
-includedir=${prefix}/include/bolero/@PROJECT_NAME@
+includedir=${prefix}/include/
 
 Name: @PROJECT_NAME@
 Description: @PROJECT_DESCRIPTION@