diff --git a/TestConcoreHpp.cpp b/TestConcoreHpp.cpp
index 90d989e..545de81 100644
--- a/TestConcoreHpp.cpp
+++ b/TestConcoreHpp.cpp
@@ -240,7 +240,7 @@ static void test_mapParser_missing_file_is_empty() {
 
 static void test_default_maxtime_reads_file() {
     setup_dirs();
-    write_file("in/1/concore.maxtime", "200");
+    write_file("in1/concore.maxtime", "200");
 
     Concore c;
     c.delay = 0;
@@ -248,11 +248,11 @@ static void test_default_maxtime_reads_file() {
 
     check("default_maxtime from file==200", c.maxtime == 200);
 
-    rm("in/1/concore.maxtime");
+    rm("in1/concore.maxtime");
 }
 
 static void test_default_maxtime_fallback() {
-    rm("in/1/concore.maxtime");
+    rm("in1/concore.maxtime");
 
     Concore c;
     c.delay = 0;
@@ -265,7 +265,7 @@ static void test_default_maxtime_fallback() {
 
 static void test_tryparam_found() {
     setup_dirs();
-    write_file("in/1/concore.params", "{'alpha': '0.5', 'beta': '1.0'}");
+    write_file("in1/concore.params", "{'alpha': '0.5', 'beta': '1.0'}");
 
     Concore c;
     c.delay = 0;
@@ -274,11 +274,11 @@ static void test_tryparam_found() {
     check("tryparam found alpha",  c.tryparam("alpha", "0.0") == "0.5");
     check("tryparam found beta",   c.tryparam("beta",  "0.0") == "1.0");
 
-    rm("in/1/concore.params");
+    rm("in1/concore.params");
 }
 
 static void test_tryparam_missing_key_uses_default() {
-    rm("in/1/concore.params");
+    rm("in1/concore.params");
 
     Concore c;
     c.delay = 0;
@@ -290,7 +290,7 @@ static void test_tryparam_missing_key_uses_default() {
 
 static void test_load_params_semicolon_format() {
     setup_dirs();
-    write_file("in/1/concore.params", "a=1;b=2");
+    write_file("in1/concore.params", "a=1;b=2");
 
     Concore c;
     c.delay = 0;
@@ -299,7 +299,7 @@ static void test_load_params_semicolon_format() {
     check("load_params semicolon parses a", c.tryparam("a", "") == "1");
     check("load_params semicolon parses b", c.tryparam("b", "") == "2");
 
-    rm("in/1/concore.params");
+    rm("in1/concore.params");
 }
 
 // ------------- main -------------------------------------------------------
diff --git a/concore.hpp b/concore.hpp
index ba676c0..6ff3e56 100644
--- a/concore.hpp
+++ b/concore.hpp
@@ -1104,14 +1104,14 @@ class Concore{
      */
     void default_maxtime(int defaultValue){
         maxtime = (int)concore_base::load_maxtime(
-            inpath + "/1/concore.maxtime", (double)defaultValue);
+            inpath + "1/concore.maxtime", (double)defaultValue);
     }
 
     /**
      * @brief Loads simulation parameters from concore.params into the params map.
      */
     void load_params(){
-        params = concore_base::load_params(inpath + "/1/concore.params");
+        params = concore_base::load_params(inpath + "1/concore.params");
     }
 
     /**