diff --git a/src/komodo_utils.h b/src/komodo_utils.h
index c807eff48..2d0fe4f4e 100644
--- a/src/komodo_utils.h
+++ b/src/komodo_utils.h
@@ -1665,7 +1665,7 @@ uint64_t komodo_ac_block_subsidy(int nHeight)
 
 extern int64_t MAX_MONEY;
 void komodo_cbopretupdate(int32_t forceflag);
-void SplitStr(const std::string& strVal, std::vector<std::string> outVals);
+void SplitStr(const std::string& strVal, std::vector<std::string> &outVals);
 
 void komodo_args(char *argv0)
 {
diff --git a/src/util.cpp b/src/util.cpp
index 4265ff759..b8733ffca 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -394,7 +394,7 @@ void ParseParameters(int argc, const char* const argv[])
     }
 }
 
-void SplitStr(const std::string& strVal, std::vector<std::string> outVals)
+void SplitStr(const std::string& strVal, std::vector<std::string> &outVals)
 {
     stringstream ss(strVal);
     std::string str;