diff --git a/src/MagnumExternal/OpenGL/GL/flextGL.cpp b/src/MagnumExternal/OpenGL/GL/flextGL.cpp
index 1d7a507d8..80f2cfc35 100644
--- a/src/MagnumExternal/OpenGL/GL/flextGL.cpp
+++ b/src/MagnumExternal/OpenGL/GL/flextGL.cpp
@@ -837,7 +837,7 @@ FLEXTGL_EXPORT void(APIENTRY *flextglBlitNamedFramebuffer)(GLuint, GLuint, GLint
 FLEXTGL_EXPORT GLenum(APIENTRY *flextglCheckNamedFramebufferStatus)(GLuint, GLenum) = nullptr;
 FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedBufferData)(GLuint, GLenum, GLenum, GLenum, const void *) = nullptr;
 FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedBufferSubData)(GLuint, GLenum, GLintptr, GLsizeiptr, GLenum, GLenum, const void *) = nullptr;
-FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfi)(GLuint, GLenum, const GLfloat, GLint) = nullptr;
+FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfi)(GLuint, GLenum, GLint, GLfloat, GLint) = nullptr;
 FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfv)(GLuint, GLenum, GLint, const GLfloat *) = nullptr;
 FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferiv)(GLuint, GLenum, GLint, const GLint *) = nullptr;
 FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferuiv)(GLuint, GLenum, GLint, const GLuint *) = nullptr;
diff --git a/src/MagnumExternal/OpenGL/GL/flextGL.h b/src/MagnumExternal/OpenGL/GL/flextGL.h
index 8771bddfd..e2ad3f517 100644
--- a/src/MagnumExternal/OpenGL/GL/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GL/flextGL.h
@@ -3458,7 +3458,7 @@ GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedBufferData)(GLuint, GLenum,
 #define glClearNamedBufferData flextglClearNamedBufferData
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedBufferSubData)(GLuint, GLenum, GLintptr, GLsizeiptr, GLenum, GLenum, const void *);
 #define glClearNamedBufferSubData flextglClearNamedBufferSubData
-GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfi)(GLuint, GLenum, const GLfloat, GLint);
+GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfi)(GLuint, GLenum, GLint, GLfloat, GLint);
 #define glClearNamedFramebufferfi flextglClearNamedFramebufferfi
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglClearNamedFramebufferfv)(GLuint, GLenum, GLint, const GLfloat *);
 #define glClearNamedFramebufferfv flextglClearNamedFramebufferfv
diff --git a/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp b/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp
index 49c91d3a9..9396c4a2b 100644
--- a/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp
+++ b/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp
@@ -841,7 +841,7 @@ void flextGLInit() {
     flextglCheckNamedFramebufferStatus = reinterpret_cast<GLenum(APIENTRY*)(GLuint, GLenum)>(loader.load("glCheckNamedFramebufferStatus"));
     flextglClearNamedBufferData = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum, GLenum, const void *)>(loader.load("glClearNamedBufferData"));
     flextglClearNamedBufferSubData = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLintptr, GLsizeiptr, GLenum, GLenum, const void *)>(loader.load("glClearNamedBufferSubData"));
-    flextglClearNamedFramebufferfi = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLfloat, GLint)>(loader.load("glClearNamedFramebufferfi"));
+    flextglClearNamedFramebufferfi = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, GLfloat, GLint)>(loader.load("glClearNamedFramebufferfi"));
     flextglClearNamedFramebufferfv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, const GLfloat *)>(loader.load("glClearNamedFramebufferfv"));
     flextglClearNamedFramebufferiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, const GLint *)>(loader.load("glClearNamedFramebufferiv"));
     flextglClearNamedFramebufferuiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, const GLuint *)>(loader.load("glClearNamedFramebufferuiv"));