diff --git a/src/cocoa_init.m b/src/cocoa_init.m
index dd85f3f8..c7c0d6c5 100644
--- a/src/cocoa_init.m
+++ b/src/cocoa_init.m
@@ -228,6 +228,7 @@ int _glfwPlatformInit(void)
     // Save the original gamma ramp
     _glfwLibrary.originalRampSize = CGDisplayGammaTableCapacity(CGMainDisplayID());
     _glfwPlatformGetGammaRamp(&_glfwLibrary.originalRamp);
+    _glfwLibrary.currentRamp = _glfwLibrary.originalRamp;
     
     return GL_TRUE;
 }
diff --git a/src/win32_init.c b/src/win32_init.c
index 51b3f093..a69cccd7 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -163,6 +163,7 @@ int _glfwPlatformInit(void)
     // Save the original gamma ramp
     _glfwLibrary.originalRampSize = 256;
     _glfwPlatformGetGammaRamp(&_glfwLibrary.originalRamp);
+    _glfwLibrary.currentRamp = _glfwLibrary.originalRamp;
 
     _glfwInitTimer();
 
diff --git a/src/x11_init.c b/src/x11_init.c
index 2b8e3e35..cceaa174 100644
--- a/src/x11_init.c
+++ b/src/x11_init.c
@@ -502,6 +502,7 @@ static void initGammaRamp(void)
 
     // Save the original gamma ramp
     _glfwPlatformGetGammaRamp(&_glfwLibrary.originalRamp);
+    _glfwLibrary.currentRamp = _glfwLibrary.originalRamp;
 }