diff --git a/src/raylib.h b/src/raylib.h
index 1dfcdc64d..868c8a98d 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -1331,7 +1331,7 @@ RLAPI Matrix GetMatrixProjection(void);                                   // Get
 
 // Texture maps generation (PBR)
 // NOTE: Required shaders should be provided
-RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size);       // Generate cubemap texture from HDR texture
+RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D map, int size);          // Generate cubemap texture from 2D texture
 RLAPI Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size);   // Generate irradiance texture using cubemap data
 RLAPI Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size);    // Generate prefilter texture using cubemap data
 RLAPI Texture2D GenTextureBRDF(Shader shader, int size);                  // Generate BRDF texture
diff --git a/src/rlgl.h b/src/rlgl.h
index b9d1aa7e4..01ec33315 100644
--- a/src/rlgl.h
+++ b/src/rlgl.h
@@ -537,7 +537,7 @@ RLAPI Matrix GetMatrixModelview(void);                                    // Get
 
 // Texture maps generation (PBR)
 // NOTE: Required shaders should be provided
-RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size);       // Generate cubemap texture from HDR texture
+RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D map, int size);          // Generate cubemap texture from HDR texture
 RLAPI Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size);   // Generate irradiance texture using cubemap data
 RLAPI Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size);    // Generate prefilter texture using cubemap data
 RLAPI Texture2D GenTextureBRDF(Shader shader, int size);                  // Generate BRDF texture using cubemap data
@@ -3219,7 +3219,7 @@ Matrix GetMatrixModelview(void)
 
 // Generate cubemap texture from HDR texture
 // TODO: OpenGL ES 2.0 does not support GL_RGB16F texture format, neither GL_DEPTH_COMPONENT24
-Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size)
+Texture2D GenTextureCubemap(Shader shader, Texture2D map, int size)
 {
     Texture2D cubemap = { 0 };
 #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
@@ -3280,7 +3280,7 @@ Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size)
     // Convert HDR equirectangular environment map to cubemap equivalent
     glUseProgram(shader.id);
     glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_2D, skyHDR.id);
+    glBindTexture(GL_TEXTURE_2D, map.id);
     SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection);
 
     // Note: don't forget to configure the viewport to the capture dimensions