diff --git a/include/ehp.hpp b/include/ehp.hpp
index 7d93e529a3a76f9ef81b44ea39c41d154b6a20f9..a67d65380d0891aa1c7dc20798e5ed6072496323 100644
--- a/include/ehp.hpp
+++ b/include/ehp.hpp
@@ -39,7 +39,7 @@ class EHProgramInstruction_t
 	public: 
 	virtual ~EHProgramInstruction_t() {}
 	virtual void print(uint64_t &pc, int64_t caf=1) const = 0;
-	virtual std::tuple<std::string, int64_t, int64_t> decode() const = 0;
+	virtual tuple<string, int64_t, int64_t> decode() const = 0;
 	virtual uint64_t getSize() const = 0;
 	virtual bool isNop() const = 0;
 	virtual bool isDefCFAOffset() const = 0;