diff --git a/panda/src/display/graphicsStateGuardian.I b/panda/src/display/graphicsStateGuardian.I
index 89d784a387..45f8b74a93 100644
--- a/panda/src/display/graphicsStateGuardian.I
+++ b/panda/src/display/graphicsStateGuardian.I
@@ -611,14 +611,14 @@ get_supports_two_sided_stencil() const {
 }
 
 ////////////////////////////////////////////////////////////////////
-//     Function: GraphicsStateGuardian::get_maximum_simultaneuous_render_targets
+//     Function: GraphicsStateGuardian::get_maximum_simultaneous_render_targets
 //       Access: Published
-//  Description: Returns the maximum simultaneuous render targets 
+//  Description: Returns the maximum simultaneous render targets 
 //               supported.
 ////////////////////////////////////////////////////////////////////
 INLINE int GraphicsStateGuardian::
-get_maximum_simultaneuous_render_targets() const {
-  return _maximum_simultaneuous_render_targets;
+get_maximum_simultaneous_render_targets() const {
+  return _maximum_simultaneous_render_targets;
 }
 
 ////////////////////////////////////////////////////////////////////
diff --git a/panda/src/display/graphicsStateGuardian.cxx b/panda/src/display/graphicsStateGuardian.cxx
index 02793895b5..0a3d58eb2b 100644
--- a/panda/src/display/graphicsStateGuardian.cxx
+++ b/panda/src/display/graphicsStateGuardian.cxx
@@ -190,7 +190,7 @@ GraphicsStateGuardian(CoordinateSystem internal_coordinate_system,
   _supports_stencil_wrap = false;
   _supports_two_sided_stencil = false;
 
-  _maximum_simultaneuous_render_targets = 1;
+  _maximum_simultaneous_render_targets = 1;
 
   _supported_geom_rendering = 0;
 
diff --git a/panda/src/display/graphicsStateGuardian.h b/panda/src/display/graphicsStateGuardian.h
index a547980859..1527301e25 100644
--- a/panda/src/display/graphicsStateGuardian.h
+++ b/panda/src/display/graphicsStateGuardian.h
@@ -138,7 +138,7 @@ PUBLISHED:
   INLINE bool get_supports_basic_shaders() const;
   INLINE bool get_supports_two_sided_stencil() const;
 
-  INLINE int get_maximum_simultaneuous_render_targets() const;
+  INLINE int get_maximum_simultaneous_render_targets() const;
 
   INLINE int get_shader_model() const;
   INLINE void set_shader_model(int shader_model);
@@ -412,7 +412,7 @@ protected:
   bool _supports_stencil_wrap;
   bool _supports_two_sided_stencil;
 
-  int _maximum_simultaneuous_render_targets;
+  int _maximum_simultaneous_render_targets;
 
   int  _supported_geom_rendering;
   bool _color_scale_via_lighting;
diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index fa3a019864..3e769105a1 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -842,7 +842,7 @@ reset() {
     GLint max_draw_buffers = 0;
     GLP(GetIntegerv)(GL_MAX_DRAW_BUFFERS, &max_draw_buffers);
     _max_draw_buffers = max_draw_buffers;
-    _maximum_simultaneuous_render_targets = max_draw_buffers;
+    _maximum_simultaneous_render_targets = max_draw_buffers;
   }
 
   _supports_occlusion_query = false;