diff --git a/cmake/Modules/ObsHelpers.cmake b/cmake/Modules/ObsHelpers.cmake
index 1856710ff..db55cff12 100644
--- a/cmake/Modules/ObsHelpers.cmake
+++ b/cmake/Modules/ObsHelpers.cmake
@@ -42,7 +42,9 @@ if(NOT UNIX_STRUCTURE)
 		set(OBS_PLUGIN_DESTINATION "obs-plugins")
 		set(OBS_PLUGIN32_DESTINATION "obs-plugins")
 		set(OBS_PLUGIN64_DESTINATION "obs-plugins")
-		add_definitions(-DOBS_DATA_PATH="../${OBS_DATA_DESTINATION}")
+
+		set(OBS_DATA_PATH "../${OBS_DATA_DESTINATION}")
+		set(OBS_INSTALL_PREFIX "")
 	else()
 		set(OBS_EXECUTABLE_DESTINATION "bin/${_lib_suffix}bit")
 		set(OBS_EXECUTABLE32_DESTINATION "bin/32bit")
@@ -53,7 +55,9 @@ if(NOT UNIX_STRUCTURE)
 		set(OBS_PLUGIN_DESTINATION "obs-plugins/${_lib_suffix}bit")
 		set(OBS_PLUGIN32_DESTINATION "obs-plugins/32bit")
 		set(OBS_PLUGIN64_DESTINATION "obs-plugins/64bit")
-		add_definitions(-DOBS_DATA_PATH="../../${OBS_DATA_DESTINATION}")
+
+		set(OBS_DATA_PATH "../../${OBS_DATA_DESTINATION}")
+		set(OBS_INSTALL_PREFIX "")
 	endif()
 	set(OBS_CMAKE_DESTINATION "cmake")
 	set(OBS_INCLUDE_DESTINATION "include")
@@ -70,8 +74,9 @@ else()
 	set(OBS_DATA_DESTINATION "share/obs")
 	set(OBS_CMAKE_DESTINATION "lib/cmake")
 	set(OBS_INCLUDE_DESTINATION "include/obs")
-	add_definitions(-DOBS_DATA_PATH="${OBS_DATA_DESTINATION}")
-	add_definitions(-DOBS_INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}/")
+
+	set(OBS_DATA_PATH "${OBS_DATA_DESTINATION}")
+	set(OBS_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/")
 endif()
 
 function(obs_finish_bundle)
diff --git a/libobs/obs-config.h b/libobs/obs-config.h
index c9af513ac..071417c5d 100644
--- a/libobs/obs-config.h
+++ b/libobs/obs-config.h
@@ -56,7 +56,9 @@
 #ifdef HAVE_OBSCONFIG_H
 # include "obsconfig.h"
 #else
-
-#define OBS_VERSION "unknown"
-
+# define OBS_VERSION "unknown"
+# define OBS_DATA_PATH "../../data"
+# define OBS_INSTALL_PREFIX ""
 #endif
+
+#define OBS_INSTALL_DATA_PATH OBS_INSTALL_PREFIX OBS_DATA_PATH
diff --git a/libobs/obsconfig.h.in b/libobs/obsconfig.h.in
index a55dbc5c6..d227d291d 100644
--- a/libobs/obsconfig.h.in
+++ b/libobs/obsconfig.h.in
@@ -2,4 +2,5 @@
 #pragma once
 
 #define OBS_VERSION "@OBS_VERSION@"
-
+#define OBS_DATA_PATH "@OBS_DATA_PATH@"
+#define OBS_INSTALL_PREFIX "@OBS_INSTALL_PREFIX@"
diff --git a/libobs/util/c99defs.h b/libobs/util/c99defs.h
index fe72f83cd..3babdeea4 100644
--- a/libobs/util/c99defs.h
+++ b/libobs/util/c99defs.h
@@ -76,13 +76,3 @@ typedef int64_t off64_t;
 #define SIZE_T_FORMAT "%zu"
 
 #endif /* _MSC_VER */
-
-#ifndef OBS_DATA_PATH
-#define OBS_DATA_PATH "../../data"
-#endif
-
-#ifndef OBS_INSTALL_PREFIX
-#define OBS_INSTALL_PREFIX ""
-#endif
-
-#define OBS_INSTALL_DATA_PATH OBS_INSTALL_PREFIX OBS_DATA_PATH
diff --git a/obs/platform-osx.mm b/obs/platform-osx.mm
index ee781cf47..a230cd99a 100644
--- a/obs/platform-osx.mm
+++ b/obs/platform-osx.mm
@@ -17,6 +17,7 @@
 
 #include <sstream>
 #include <util/base.h>
+#include <obs-config.h>
 #include "platform.hpp"
 #include "obs-app.hpp"
 
diff --git a/obs/platform-windows.cpp b/obs/platform-windows.cpp
index 3168840b6..5686a1966 100644
--- a/obs/platform-windows.cpp
+++ b/obs/platform-windows.cpp
@@ -17,6 +17,7 @@
 
 #include <algorithm>
 #include <sstream>
+#include "obs-config.h"
 #include "obs-app.hpp"
 #include "platform.hpp"
 using namespace std;
diff --git a/obs/platform-x11.cpp b/obs/platform-x11.cpp
index ea834cca4..715f5073b 100644
--- a/obs/platform-x11.cpp
+++ b/obs/platform-x11.cpp
@@ -20,6 +20,7 @@
  * Even if there are not multiple monitors, this should still work.
  */
 
+#include <obs-config.h>
 #include "obs-app.hpp"
 
 #include <X11/Xlib.h>