diff --git a/cmake/Modules/SetupPython.cmake b/cmake/Modules/SetupPython.cmake
index d5c799a9f..01fc9a512 100644
--- a/cmake/Modules/SetupPython.cmake
+++ b/cmake/Modules/SetupPython.cmake
@@ -24,13 +24,18 @@
 
 if (PYTHON_EXECUTABLE)
     message(STATUS "User set python executable ${PYTHON_EXECUTABLE}")
-    find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION} REQUIRED)
+    string(FIND "${PYTHON_EXECUTABLE}" "python3" IS_PYTHON3)
+    if(IS_PYTHON3 EQUAL -1)
+        find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION} REQUIRED)
+    else(IS_PYTHON3 EQUAL -1)
+        find_package(PythonInterp ${GNSSSDR_PYTHON3_MIN_VERSION} REQUIRED)
+    endif(IS_PYTHON3 EQUAL -1)
 else (PYTHON_EXECUTABLE)
     message(STATUS "PYTHON_EXECUTABLE not set - using default python2")
+    message(STATUS "Use -DPYTHON_EXECUTABLE=/path/to/python3 to build for python3.")
     find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION})
     if(NOT PYTHONINTERP_FOUND)
-        # message(STATUS "Use -DPYTHON_EXECUTABLE=/path/to/python2 to build for python2.")
-        message(STATUS "python2 not found - using python3")
+        message(STATUS "python2 not found - trying with python3")
         find_package(PythonInterp ${GNSSSDR_PYTHON3_MIN_VERSION} REQUIRED)
      endif(NOT PYTHONINTERP_FOUND)
 endif (PYTHON_EXECUTABLE)