diff --git a/Source/Plugins/Plugin_VideoOGL/Src/GLUtil.h b/Source/Plugins/Plugin_VideoOGL/Src/GLUtil.h
index 754a094cdb..8eed926819 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/GLUtil.h
+++ b/Source/Plugins/Plugin_VideoOGL/Src/GLUtil.h
@@ -139,6 +139,6 @@ extern CGprofile g_cgvProf, g_cgfProf;
 // XXX: Dual-source blending in OpenGL does not work correctly yet. To make it
 // work, we may need to use glBindFragDataLocation. To use that, we need to
 // use GLSL shaders across the whole pipeline. Yikes!
-const bool USE_DUAL_SOURCE_BLEND = false;
+//#define USE_DUAL_SOURCE_BLEND
 
 #endif  // _GLINIT_H_
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
index 44c84aaf8f..3f51031597 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
@@ -1034,9 +1034,11 @@ void Renderer::SetBlendMode(bool forceUpdate)
 
 	u32 changes = forceUpdate ? 0xFFFFFFFF : newval ^ s_blendMode;
 
+#ifdef USE_DUAL_SOURCE_BLEND
 	bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate
 		&& bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
-	bool useDualSource = USE_DUAL_SOURCE_BLEND && useDstAlpha && GLEW_ARB_blend_func_extended;
+	bool useDualSource = useDstAlpha && GLEW_ARB_blend_func_extended;
+#endif
 
 	if (changes & 1)
 		// blend enable change
@@ -1044,14 +1046,19 @@ void Renderer::SetBlendMode(bool forceUpdate)
 
 	if (changes & 4)
 	{
+#ifdef USE_DUAL_SOURCE_BLEND
 		// subtract enable change
 		GLenum equation = newval & 4 ? GL_FUNC_REVERSE_SUBTRACT : GL_FUNC_ADD;
 		GLenum equationAlpha = useDualSource ? GL_FUNC_ADD : equation;
 		glBlendEquationSeparate(equation, equationAlpha);
+#else
+		glBlendEquation(newval & 4 ? GL_FUNC_REVERSE_SUBTRACT : GL_FUNC_ADD);
+#endif
 	}
 
 	if (changes & 0x1F8)
 	{
+#ifdef USE_DUAL_SOURCE_BLEND
 		GLenum srcFactor = glSrcFactors[(newval >> 3) & 7];
 		GLenum srcFactorAlpha = srcFactor;
 		GLenum dstFactor = glDestFactors[(newval >> 6) & 7];
@@ -1074,6 +1081,9 @@ void Renderer::SetBlendMode(bool forceUpdate)
 
 		// blend RGB change
 		glBlendFuncSeparate(srcFactor, dstFactor, srcFactorAlpha, dstFactorAlpha);
+#else
+		glBlendFunc(glSrcFactors[(newval >> 3) & 7], glDestFactors[(newval >> 6) & 7]);
+#endif
 	}
 
 	s_blendMode = newval;
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp b/Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
index 58e677d563..af274520ba 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
@@ -186,7 +186,9 @@ void VertexManager::vFlush()
 
 	bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate
 		&& bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
-	bool dualSourcePossible = USE_DUAL_SOURCE_BLEND && GLEW_ARB_blend_func_extended;
+
+#ifdef USE_DUAL_SOURCE_BLEND
+	bool dualSourcePossible = GLEW_ARB_blend_func_extended;
 
 	// finally bind
 	FRAGMENTSHADER* ps;
@@ -209,6 +211,10 @@ void VertexManager::vFlush()
 	{
 		ps = PixelShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
 	}
+#else
+	bool dualSourcePossible = false;
+	FRAGMENTSHADER* ps = PixelShaderCache::SetShader(DSTALPHA_NONE,g_nativeVertexFmt->m_components);
+#endif
 	VERTEXSHADER* vs = VertexShaderCache::SetShader(g_nativeVertexFmt->m_components);
 	if (ps) PixelShaderCache::SetCurrentShader(ps->glprogid); // Lego Star Wars crashes here.
 	if (vs) VertexShaderCache::SetCurrentShader(vs->glprogid);