diff --git a/sdrgui/gui/tvscreenanalog.cpp b/sdrgui/gui/tvscreenanalog.cpp
index 130fe9c1c..60fe1db62 100644
--- a/sdrgui/gui/tvscreenanalog.cpp
+++ b/sdrgui/gui/tvscreenanalog.cpp
@@ -90,8 +90,8 @@ static const char* fragmentShaderSource =
     "    float tys = (texCoordVar.y + tlhh) * imh;\n"
     "    float p1y = floor(tys) * tlh - tlhh;\n"
     "    float p3y = p1y + tlh;\n"
-    "    float tshift1 = texture2D(tex2, vec2(0.0, p1y)).r;\n"
-    "    float tshift3 = texture2D(tex2, vec2(0.0, p3y)).r;\n"
+    "    float tshift1 = texture(tex2, vec2(0.0, p1y)).r;\n"
+    "    float tshift3 = texture(tex2, vec2(0.0, p3y)).r;\n"
     "    float shift1 = (1.0 - tshift1 * 2.0) * tlw;\n"
     "    float shift3 = (1.0 - tshift3 * 2.0) * tlw;\n"
     "    float txs1 = (texCoordVar.x + shift1 + tlhw) * imw;\n"