diff --git a/src/external/glfw/CMakeLists.txt b/src/external/glfw/CMakeLists.txt
index 0eb7e7ea0..606744d43 100644
--- a/src/external/glfw/CMakeLists.txt
+++ b/src/external/glfw/CMakeLists.txt
@@ -359,15 +359,15 @@ configure_file(src/glfw3.pc.in src/glfw3.pc @ONLY)
 add_subdirectory(src)
 
 if (GLFW_BUILD_EXAMPLES)
-    add_subdirectory(examples)
+    #add_subdirectory(examples)
 endif()
 
 if (GLFW_BUILD_TESTS)
-    add_subdirectory(tests)
+    #add_subdirectory(tests)
 endif()
 
 if (DOXYGEN_FOUND AND GLFW_BUILD_DOCS)
-    add_subdirectory(docs)
+    #add_subdirectory(docs)
 endif()
 
 #--------------------------------------------------------------------
diff --git a/src/external/glfw/include/GLFW/glfw3.h b/src/external/glfw/include/GLFW/glfw3.h
index 990fe3f7f..4a84371d9 100644
--- a/src/external/glfw/include/GLFW/glfw3.h
+++ b/src/external/glfw/include/GLFW/glfw3.h
@@ -480,6 +480,7 @@ extern "C" {
 #define GLFW_KEY_RIGHT_SUPER        347
 #define GLFW_KEY_MENU               348
 
+#define GLFW_KEY_FIRST              19
 #define GLFW_KEY_LAST               GLFW_KEY_MENU
 
 /*! @} */
diff --git a/src/external/glfw/src/input.c b/src/external/glfw/src/input.c
index b0bb3de47..91ddf0def 100644
--- a/src/external/glfw/src/input.c
+++ b/src/external/glfw/src/input.c
@@ -579,7 +579,7 @@ GLFWAPI int glfwGetKeyScancode(int key)
 {
     _GLFW_REQUIRE_INIT_OR_RETURN(-1);
 
-    if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST)
+    if (key < GLFW_KEY_FIRST || key > GLFW_KEY_LAST)
     {
         _glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key);
         return GLFW_RELEASE;
@@ -595,7 +595,7 @@ GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
 
     _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
 
-    if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST)
+    if (key < GLFW_KEY_FIRST || key > GLFW_KEY_LAST)
     {
         _glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key);
         return GLFW_RELEASE;