diff --git a/sfw/render_core/color_material.cpp b/sfw/render_core/color_material.cpp
index f0d1e39..987382d 100644
--- a/sfw/render_core/color_material.cpp
+++ b/sfw/render_core/color_material.cpp
@@ -18,6 +18,11 @@ void ColorMaterial::setup_uniforms() {
 
 String ColorMaterial::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_camera_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
diff --git a/sfw/render_core/color_material_2d.cpp b/sfw/render_core/color_material_2d.cpp
index 79ed8ad..5881638 100644
--- a/sfw/render_core/color_material_2d.cpp
+++ b/sfw/render_core/color_material_2d.cpp
@@ -24,6 +24,11 @@ void ColorMaterial2D::setup_state() {
 
 String ColorMaterial2D::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
 		"\n"
diff --git a/sfw/render_core/colored_material.cpp b/sfw/render_core/colored_material.cpp
index b90958d..e6cf9e2 100644
--- a/sfw/render_core/colored_material.cpp
+++ b/sfw/render_core/colored_material.cpp
@@ -19,6 +19,11 @@ void ColoredMaterial::setup_uniforms() {
 
 String ColoredMaterial::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
 		"\n"
diff --git a/sfw/render_core/font_material.cpp b/sfw/render_core/font_material.cpp
index acfa6c8..fe12af2 100644
--- a/sfw/render_core/font_material.cpp
+++ b/sfw/render_core/font_material.cpp
@@ -31,6 +31,11 @@ void FontMaterial::setup_state() {
 
 String FontMaterial::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
 		"\n"
diff --git a/sfw/render_core/texture_material.cpp b/sfw/render_core/texture_material.cpp
index f448b2d..f8bfdbf 100644
--- a/sfw/render_core/texture_material.cpp
+++ b/sfw/render_core/texture_material.cpp
@@ -34,6 +34,11 @@ void TextureMaterial::setup_state() {
 
 String TextureMaterial::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_camera_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
diff --git a/sfw/render_core/texture_material_2d.cpp b/sfw/render_core/texture_material_2d.cpp
index 10bbbde..1e8bfc7 100644
--- a/sfw/render_core/texture_material_2d.cpp
+++ b/sfw/render_core/texture_material_2d.cpp
@@ -31,6 +31,11 @@ void TextureMaterial2D::setup_state() {
 
 String TextureMaterial2D::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
 		"\n"
diff --git a/sfw/render_core/transparent_texture_material.cpp b/sfw/render_core/transparent_texture_material.cpp
index d40cb26..4d751f8 100644
--- a/sfw/render_core/transparent_texture_material.cpp
+++ b/sfw/render_core/transparent_texture_material.cpp
@@ -31,6 +31,11 @@ void TransparentTextureMaterial::setup_state() {
 
 String TransparentTextureMaterial::get_vertex_shader_source() {
 	static const char *vertex_shader_source[] = {
+#if defined(__APPLE__)
+#else
+		"#version 100\n"
+		"precision mediump float;\n"
+#endif
 		"uniform mat4 u_proj_matrix;\n"
 		"uniform mat4 u_model_view_matrix;\n"
 		"\n"