diff --git a/src/glinject/CMakeLists.txt b/src/glinject/CMakeLists.txt
index 157ee9c..79690ef 100644
--- a/src/glinject/CMakeLists.txt
+++ b/src/glinject/CMakeLists.txt
@@ -1,7 +1,7 @@
 include(GNUInstallDirs)
 add_library(glinject SHARED glinject.c glx_events.c x_events.c)
 add_dependencies(glinject elfhacks)
-target_link_libraries(glinject dl rt luajit elfhacks m)
+target_link_libraries(glinject dl rt luajit elfhacks m X11)
 set_target_properties(glinject PROPERTIES LIBRARY_OUTPUT_NAME glxosd-glinject)
 set_target_properties(glinject PROPERTIES VERSION ${GLXOSD_VERSION_STRING}
                                           SOVERSION ${GLXOSD_VERSION_MAJOR})
diff --git a/src/glinject/glinject.c b/src/glinject/glinject.c
index 6917439..2c8200a 100644
--- a/src/glinject/glinject.c
+++ b/src/glinject/glinject.c
@@ -23,6 +23,13 @@
 #include <stdbool.h>
 #include <pthread.h>
 
+GLINJECT_DEFINE_REAL_SYMBOL(dlopen, void*, (const char *, int));
+
+GLINJECT_DEFINE_REAL_SYMBOL(dlsym, void*, (const void *, const char *));
+
+GLINJECT_DEFINE_REAL_SYMBOL(dlvsym, void*,
+		(const void *, const char *, const char *));
+
 // Mutex used for synchronising Lua API calls.
 pthread_mutex_t glinject_mutex = PTHREAD_MUTEX_INITIALIZER;
 
diff --git a/src/glinject/glinject.h b/src/glinject/glinject.h
index 7f35f95..7603764 100644
--- a/src/glinject/glinject.h
+++ b/src/glinject/glinject.h
@@ -21,6 +21,10 @@
 		typedef ret (*glinject_##name##_type) param;\
 		glinject_##name##_type glinject_real_##name;
 
+#define GLINJECT_DEFINE_REAL_SYMBOL_EXT(name, ret, param)\
+		typedef ret (*glinject_##name##_type) param;\
+		extern glinject_##name##_type glinject_real_##name;
+
 #define GLINJECT_DEFINE_AND_OVERLOAD(name, ret, param)\
 		GLINJECT_DEFINE_REAL_SYMBOL(name, ret, param);\
 		ret name param
@@ -41,11 +45,11 @@ typedef __GLXextFuncPtr (*gl_function_provider_type)(const GLubyte* name);
 /*
  * Real symbol definitions
  */
-GLINJECT_DEFINE_REAL_SYMBOL(dlopen, void*, (const char *, int));
+GLINJECT_DEFINE_REAL_SYMBOL_EXT(dlopen, void*, (const char *, int));
 
-GLINJECT_DEFINE_REAL_SYMBOL(dlsym, void*, (const void *, const char *));
+GLINJECT_DEFINE_REAL_SYMBOL_EXT(dlsym, void*, (const void *, const char *));
 
-GLINJECT_DEFINE_REAL_SYMBOL(dlvsym, void*,
+GLINJECT_DEFINE_REAL_SYMBOL_EXT(dlvsym, void*,
 		(const void *, const char *, const char *));
 
 /*
diff --git a/src/glinject/glx_events.c b/src/glinject/glx_events.c
index 4012d4b..8bc3857 100644
--- a/src/glinject/glx_events.c
+++ b/src/glinject/glx_events.c
@@ -21,6 +21,10 @@ void glXDestroy##name (Display *dpy, type drawable) { \
 	glinject_real_glXDestroy##name(dpy, drawable); \
 }
 
+
+GLINJECT_DEFINE_REAL_SYMBOL(glXGetProcAddressARB, __GLXextFuncPtr, (const GLubyte*));
+GLINJECT_DEFINE_REAL_SYMBOL(glXGetProcAddress, __GLXextFuncPtr, (const GLubyte*));
+
 DEFINE_GLX_DESTRUCTION_HANDLER(GLXPixmap, GLXPixmap)
 DEFINE_GLX_DESTRUCTION_HANDLER(Pixmap, GLXPixmap)
 DEFINE_GLX_DESTRUCTION_HANDLER(Pbuffer, GLXPbuffer)
diff --git a/src/glinject/glx_events.h b/src/glinject/glx_events.h
index 377cf8c..e5688c9 100644
--- a/src/glinject/glx_events.h
+++ b/src/glinject/glx_events.h
@@ -12,9 +12,9 @@
 #include "glinject.h"
 typedef __GLXextFuncPtr (*gl_function_provider_type)(const GLubyte* name);
 
-GLINJECT_DEFINE_REAL_SYMBOL(glXGetProcAddressARB, __GLXextFuncPtr, (const GLubyte*));
+GLINJECT_DEFINE_REAL_SYMBOL_EXT(glXGetProcAddressARB, __GLXextFuncPtr, (const GLubyte*));
 
-GLINJECT_DEFINE_REAL_SYMBOL(glXGetProcAddress, __GLXextFuncPtr, (const GLubyte*));
+GLINJECT_DEFINE_REAL_SYMBOL_EXT(glXGetProcAddress, __GLXextFuncPtr, (const GLubyte*));
 
 void glinject_load_glx_event_real_symbols(const char* path);