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diff --git a/cmake/FindR.cmake b/cmake/FindR.cmake
index 6303417..6494884 100644
--- a/cmake/FindR.cmake
+++ b/cmake/FindR.cmake
@@ -31,7 +31,7 @@ IF(R_EXECUTABLE)
OUTPUT_VARIABLE R_INCLUDE_DIR)
ELSE(WIN32)
EXECUTE_PROCESS(
- COMMAND ${R_EXECUTABLE} CMD sh -c "echo -n $R_INCLUDE_DIR"
+ COMMAND ${R_EXECUTABLE} CMD sh -c "printf $R_INCLUDE_DIR"
OUTPUT_VARIABLE R_INCLUDE_DIR)
ENDIF(WIN32)
ENDIF(NOT R_INCLUDE_DIR)
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