diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1abc342ab..6ad1a9706 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -267,7 +267,7 @@ ENDIF(EXACT_PYTHON_VERSION)
 # first find the python interpreter
 FIND_PACKAGE(PythonInterp ${PYTHON_VERSION_PYBULLET} ${EXACT_PYTHON_VERSION_FLAG})
 # python library should exactly match that of the interpreter
-FIND_PACKAGE(PythonLibraries ${PYTHON_VERSION_STRING} EXACT)
+FIND_PACKAGE(PythonLibs ${PYTHON_VERSION_STRING} EXACT)
 SET(DEFAULT_BUILD_PYBULLET OFF)
 IF(PYTHONLIBS_FOUND)
 	SET(DEFAULT_BUILD_PYBULLET ON)
diff --git a/build3/cmake/FindNumPy.cmake b/build3/cmake/FindNumPy.cmake
index 8d38c8ead..5ce9e178c 100644
--- a/build3/cmake/FindNumPy.cmake
+++ b/build3/cmake/FindNumPy.cmake
@@ -50,7 +50,8 @@ include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(NumPy REQUIRED_VARS PYTHON_NUMPY_INCLUDE_DIR PYTHON_NUMPY_VERSION
                                         VERSION_VAR   PYTHON_NUMPY_VERSION)
 
-if(PYTHON_NUMPY_FOUND)
+if(NUMPY_FOUND)
+  set(PYTHON_NUMPY_FOUND TRUE)
   message(STATUS "NumPy ver. ${PYTHON_NUMPY_VERSION} found (include: ${PYTHON_NUMPY_INCLUDE_DIR})")
 endif()
 
diff --git a/build3/cmake/FindPythonLibraries.cmake b/build3/cmake/FindPythonLibs.cmake
similarity index 100%
rename from build3/cmake/FindPythonLibraries.cmake
rename to build3/cmake/FindPythonLibs.cmake