diff --git a/data/shaders/pass_gles.vert b/data/shaders/pass_gles.vert
index 822499f98..99edd86e1 100644
--- a/data/shaders/pass_gles.vert
+++ b/data/shaders/pass_gles.vert
@@ -1,5 +1,7 @@
 #version 300 es
 
+precision mediump float;
+
 in vec3 Position;
 in vec2 Texcoord;
 out vec2 uv;
diff --git a/src/graphics/shader.cpp b/src/graphics/shader.cpp
index 1b5e4bf0b..306561d15 100644
--- a/src/graphics/shader.cpp
+++ b/src/graphics/shader.cpp
@@ -62,7 +62,7 @@ const std::string& ShaderBase::getHeader()
 GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
 {
     GLuint id = glCreateShader(type);
-    
+
     std::ostringstream code;
 #if !defined(USE_GLES2)
     code << "#version " << CVS->getGLSLVersion()<<"\n";
@@ -87,13 +87,13 @@ GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
             code << "#extension GL_ARB_arrays_of_arrays : enable\n";
     }
 #endif
-    
+
     if (CVS->isAMDVertexShaderLayerUsable())
         code << "#extension GL_AMD_vertex_shader_layer : enable\n";
-        
+
     if (CVS->isARBExplicitAttribLocationUsable())
         code << "#extension GL_ARB_explicit_attrib_location : enable\n";
-    
+
     if (CVS->isAZDOEnabled())
     {
         code << "#extension GL_ARB_bindless_texture : enable\n";
@@ -110,7 +110,11 @@ GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
     //shader compilation fails with some drivers if there is no precision qualifier
     if (type == GL_FRAGMENT_SHADER)
         code << "precision mediump float;\n";
-    
+#if defined(USE_GLES2)
+    else if (type == GL_VERTEX_SHADER)
+        code << "precision mediump float;\n";
+#endif
+
     code << getHeader();
 
     std::ifstream stream(file_manager->getShader(file), std::ios::in);
@@ -129,31 +133,31 @@ GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
                     Log::error("shader", "Invalid #stk_include line: '%s'.", Line.c_str());
                     continue;
                 }
-                
+
                 std::string filename = Line.substr(pos+1);
-                
+
                 pos = filename.find("\"");
                 if (pos == std::string::npos)
                 {
                     Log::error("shader", "Invalid #stk_include line: '%s'.", Line.c_str());
                     continue;
                 }
-                
+
                 filename = filename.substr(0, pos);
-                
+
                 std::ifstream include_stream(file_manager->getShader(filename), std::ios::in);
                 if (!include_stream.is_open())
                 {
                     Log::error("shader", "Couldn't open included shader: '%s'.", filename.c_str());
                     continue;
                 }
-                
+
                 std::string include_line = "";
                 while (getline(include_stream, include_line))
                 {
                     code << "\n" << include_line;
                 }
-                
+
                 include_stream.close();
             }
             else
@@ -161,7 +165,7 @@ GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
                 code << "\n" << Line;
             }
         }
-        
+
         stream.close();
     }
     else
@@ -201,7 +205,7 @@ GLuint ShaderBase::loadShader(const std::string &file, unsigned type)
 /** Loads a transform feedback buffer shader with a given number of varying
  *  parameters.
 */
-int ShaderBase::loadTFBProgram(const std::string &shader_name, 
+int ShaderBase::loadTFBProgram(const std::string &shader_name,
                                const char **varyings,
                                unsigned varying_count)
 {
@@ -250,7 +254,7 @@ void ShaderBase::bypassUBO() const
     glUniformMatrix4fv(IPM, 1, GL_FALSE, irr_driver->getInvProjMatrix().pointer());
 
     GLint Screen = glGetUniformLocation(m_program, "screen");
-    glUniform2f(Screen, irr_driver->getCurrentScreenSize().X, 
+    glUniform2f(Screen, irr_driver->getCurrentScreenSize().X,
                         irr_driver->getCurrentScreenSize().Y);
 
     GLint bLmn = glGetUniformLocation(m_program, "blueLmn[0]");