diff --git a/src/mapi/glapi/gen/ARB_texture_multisample.xml b/src/mapi/glapi/gen/ARB_texture_multisample.xml
index f0dd4f5f79b..1f65a8bcf80 100644
--- a/src/mapi/glapi/gen/ARB_texture_multisample.xml
+++ b/src/mapi/glapi/gen/ARB_texture_multisample.xml
@@ -37,7 +37,7 @@
    <function name="TexImage2DMultisample" offset="assign">
       <param name="target" type="GLenum"/>
       <param name="samples" type="GLsizei"/>
-      <param name="internalformat" type="GLint"/>
+      <param name="internalformat" type="GLenum"/>
       <param name="width" type="GLsizei"/>
       <param name="height" type="GLsizei"/>
       <param name="fixedsamplelocations" type="GLboolean"/>
@@ -46,7 +46,7 @@
    <function name="TexImage3DMultisample" offset="assign">
       <param name="target" type="GLenum"/>
       <param name="samples" type="GLsizei"/>
-      <param name="internalformat" type="GLint"/>
+      <param name="internalformat" type="GLenum"/>
       <param name="width" type="GLsizei"/>
       <param name="height" type="GLsizei"/>
       <param name="depth" type="GLsizei"/>
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index ea2f15bfee0..793c5d38282 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -4355,7 +4355,7 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples,
 
 void GLAPIENTRY
 _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
-                            GLint internalformat, GLsizei width,
+                            GLenum internalformat, GLsizei width,
                             GLsizei height, GLboolean fixedsamplelocations)
 {
    teximagemultisample(2, target, samples, internalformat,
@@ -4366,7 +4366,7 @@ _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
 
 void GLAPIENTRY
 _mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
-                            GLint internalformat, GLsizei width,
+                            GLenum internalformat, GLsizei width,
                             GLsizei height, GLsizei depth,
                             GLboolean fixedsamplelocations)
 {
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 88952471892..792383d2fe0 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -296,12 +296,12 @@ _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
 
 extern void GLAPIENTRY
 _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
-                            GLint internalformat, GLsizei width,
+                            GLenum internalformat, GLsizei width,
                             GLsizei height, GLboolean fixedsamplelocations);
 
 extern void GLAPIENTRY
 _mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
-                            GLint internalformat, GLsizei width,
+                            GLenum internalformat, GLsizei width,
                             GLsizei height, GLsizei depth,
                             GLboolean fixedsamplelocations);