diff --git a/CHANGES b/CHANGES
index d3bb4990e..17769d465 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@ Emulation fixes:
 Other fixes:
  - Core: Fix ELF loading regression (fixes mgba.io/i/1669)
  - Core: Fix crash modifying hash table entry (fixes mgba.io/i/1673)
+ - Qt: Fix OpenGL 2.1 support (fixes mgba.io/i/1678)
 Misc:
  - Qt: Disable Replace ROM option when no game loaded
  - Qt: Defer texture updates until frame is drawn (fixes mgba.io/i/1590)
diff --git a/src/platform/opengl/gles2.c b/src/platform/opengl/gles2.c
index 25d7edb00..fbb0fa601 100644
--- a/src/platform/opengl/gles2.c
+++ b/src/platform/opengl/gles2.c
@@ -21,6 +21,9 @@ static const GLchar* const _gles2Header =
 	"#version 100\n"
 	"precision mediump float;\n";
 
+static const GLchar* const _gl2Header =
+	"#version 120\n";
+
 static const GLchar* const _gl32VHeader =
 	"#version 150 core\n"
 	"#define attribute in\n"
@@ -462,10 +465,12 @@ void mGLES2ShaderInit(struct mGLES2Shader* shader, const char* vs, const char* f
 	shader->fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
 	const GLchar* shaderBuffer[2];
 	const GLubyte* version = glGetString(GL_VERSION);
-	if (strncmp((const char*) version, "OpenGL ES ", strlen("OpenGL ES "))) {
-		shaderBuffer[0] = _gl32VHeader;
-	} else {
+	if (strncmp((const char*) version, "OpenGL ES ", strlen("OpenGL ES ")) == 0) {
 		shaderBuffer[0] = _gles2Header;
+	} else if (version[0] == '2') {
+		shaderBuffer[0] = _gl2Header;
+	} else {
+		shaderBuffer[0] = _gl32VHeader;
 	}
 	if (vs) {
 		shaderBuffer[1] = vs;
@@ -474,7 +479,7 @@ void mGLES2ShaderInit(struct mGLES2Shader* shader, const char* vs, const char* f
 	}
 	glShaderSource(shader->vertexShader, 2, shaderBuffer, 0);
 
-	if (strncmp((const char*) version, "OpenGL ES ", strlen("OpenGL ES "))) {
+	if (shaderBuffer[0] == _gl32VHeader) {
 		shaderBuffer[0] = _gl32FHeader;
 	}
 	if (fs) {