diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3034fc0f..b2d6662b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,9 +89,9 @@ set(SDRPP_MODULE_COMPILER_FLAGS ${SDRPP_COMPILER_FLAGS})
 # Set a default install prefix
 if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
     if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-        set(CMAKE_INSTALL_PREFIX "/usr/local")
+        set(CMAKE_INSTALL_PREFIX "/usr/local" CACHE PATH "..." FORCE)
     else()
-        set(CMAKE_INSTALL_PREFIX "/usr")
+        set(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "..." FORCE)
     endif()
 endif()
 
diff --git a/core/src/module_com.cpp b/core/src/module_com.cpp
index 745489aa..7c721753 100644
--- a/core/src/module_com.cpp
+++ b/core/src/module_com.cpp
@@ -1,4 +1,5 @@
 #include <module_com.h>
+#include <utils/flog.h>
 
 bool ModuleComManager::registerInterface(std::string moduleName, std::string name, void (*handler)(int code, void* in, void* out, void* ctx), void* ctx) {
     std::lock_guard<std::mutex> lck(mtx);
diff --git a/core/src/module_com.h b/core/src/module_com.h
index d03cc03d..7d6dd5bd 100644
--- a/core/src/module_com.h
+++ b/core/src/module_com.h
@@ -2,7 +2,6 @@
 #include <map>
 #include <string>
 #include <mutex>
-#include <utils/flog.h>
 
 struct ModuleComInterface {
     std::string moduleName;