--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,6 +38,10 @@
 set(VERSION_INFO_PATCH_VERSION git) # increment patch for bug fixes and docs
 include(Version) # setup version info
 
+if(NOT LIB_INSTALL_DIR)
+   set(LIB_INSTALL_DIR lib)
+endif()
+
 ########################################################################
 # Compiler specific setup
 ########################################################################
@@ -116,7 +120,7 @@
 
 set(prefix ${CMAKE_INSTALL_PREFIX})
 set(exec_prefix \${prefix})
-set(libdir \${exec_prefix}/lib)
+set(libdir \${exec_prefix}/${LIB_INSTALL_DIR})
 set(includedir \${prefix}/include)
 
 CONFIGURE_FILE(
@@ -126,7 +130,7 @@
 
 INSTALL(
     FILES ${CMAKE_CURRENT_BINARY_DIR}/libmirisdr.pc
-    DESTINATION lib/pkgconfig
+    DESTINATION ${LIB_INSTALL_DIR}/pkgconfig
 )
 
 ########################################################################
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -66,7 +66,7 @@
 # Install built library files & utilities
 ########################################################################
 install(TARGETS mirisdr_shared mirisdr_static miri_sdr
-    LIBRARY DESTINATION lib${LIB_SUFFIX} # .so/.dylib file
-    ARCHIVE DESTINATION lib${LIB_SUFFIX} # .lib file
+    LIBRARY DESTINATION ${LIB_INSTALL_DIR} # .so/.dylib file
+    ARCHIVE DESTINATION ${LIB_INSTALL_DIR} # .lib file
     RUNTIME DESTINATION bin              # .dll file
 )
