diff --git a/.cmake/Modules/Cram.cmake b/.cmake/Modules/Cram.cmake
index 5361cbb..73697a4 100644
--- a/.cmake/Modules/Cram.cmake
+++ b/.cmake/Modules/Cram.cmake
@@ -46,13 +46,17 @@ if (WIN32)
   endif ()
 endif ()
 
-if (NOT ENV{PYTHON_BIN})
-  set (PYTHON "python")
+if ("$ENV{TRAVIS}" STREQUAL "true")
+  execute_process (COMMAND cram -v ${CRAM_OPTS} "${CRAM_PATH}" TIMEOUT 60 RESULT_VARIABLE RES)
 else ()
-  set (PYTHON "$ENV{PYTHON_BIN}")
-endif ()
+  if (NOT ENV{PYTHON_BIN})
+    set (PYTHON "python")
+  else ()
+    set (PYTHON "$ENV{PYTHON_BIN}")
+  endif ()
 
-execute_process (COMMAND ${PYTHON} -m cram -v ${CRAM_OPTS} "${CRAM_PATH}" TIMEOUT 60 RESULT_VARIABLE RES)
+  execute_process (COMMAND ${PYTHON} -m cram -v ${CRAM_OPTS} "${CRAM_PATH}" TIMEOUT 60 RESULT_VARIABLE RES)
+endif ()
 
 if (NOT RES STREQUAL "0")
   message (FATAL_ERROR "Cram tests failed")