diff --git a/CMakeLists.txt b/CMakeLists.txt
index 892cf29..afca25a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.20)
 
 # Make sure the user doesn't play dirty with symlinks
 get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
@@ -41,6 +41,9 @@ set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 include_directories(include sources sources-add GSW-C)
 add_compile_options(-Wall -Wno-deprecated-declarations)
 
+set(CONFIG_FILE "/etc/odm.conf" CACHE STRING "Path to config file")
+add_compile_options(-DCONFIGFILE="${CONFIG_FILE}")
+
 # Dwarf-4 support check
 include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG(-gdwarf-4 COMPILER_SUPPORTS_DWARF4)
diff --git a/include/ParseArgs.h b/include/ParseArgs.h
index d286093..1a72762 100644
--- a/include/ParseArgs.h
+++ b/include/ParseArgs.h
@@ -5,5 +5,9 @@ using michlib::MString;
 using michlib::SList;
 using CLArgs = std::map<MString, MString>;
 
-CLArgs ParseArgs(int argc, char** argv);
+CLArgs  ParseArgs(int argc, char** argv);
 MString GetExt(const MString& fname);
+
+#ifndef CONFIGFILE
+#define CONFIGFILE "/etc/odm.conf"
+#endif
diff --git a/src/ParseArgs.cpp b/src/ParseArgs.cpp
index 5bbe757..6cafc5f 100644
--- a/src/ParseArgs.cpp
+++ b/src/ParseArgs.cpp
@@ -29,7 +29,7 @@ CLArgs ParseArgs(int argc, char** argv)
  }
 
  SList sl;
- michlib_internal::ParseParameterFile("/etc/odm.conf", sl, 0);
+ michlib_internal::ParseParameterFile(CONFIGFILE, sl, 0);
 
  return out;
 }