diff --git a/android/core/src/processing/opengl/PGraphicsOpenGL.java b/android/core/src/processing/opengl/PGraphicsOpenGL.java
index b036fb4d0..55b722bd4 100644
--- a/android/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/android/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -7067,7 +7067,8 @@ public class PGraphicsOpenGL extends PGraphics {
       float h = pgCurrent.viewport[3];
       setUniformValue(viewportLoc, x, y, w, h);
 
-      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE)) {
+      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE) &&
+          !pgCurrent.usingOrthoProjection) {
         setUniformValue(perspectiveLoc, 1);
       } else {
         setUniformValue(perspectiveLoc, 0);
@@ -7188,7 +7189,8 @@ public class PGraphicsOpenGL extends PGraphics {
       float h = pgCurrent.viewport[3];
       setUniformValue(viewportLoc, x, y, w, h);
 
-      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE)) {
+      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE) &&
+          !pgCurrent.usingOrthoProjection) {
         setUniformValue(perspectiveLoc, 1);
       } else {
         setUniformValue(perspectiveLoc, 0);
diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
index b036fb4d0..55b722bd4 100644
--- a/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -7067,7 +7067,8 @@ public class PGraphicsOpenGL extends PGraphics {
       float h = pgCurrent.viewport[3];
       setUniformValue(viewportLoc, x, y, w, h);
 
-      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE)) {
+      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE) &&
+          !pgCurrent.usingOrthoProjection) {
         setUniformValue(perspectiveLoc, 1);
       } else {
         setUniformValue(perspectiveLoc, 0);
@@ -7188,7 +7189,8 @@ public class PGraphicsOpenGL extends PGraphics {
       float h = pgCurrent.viewport[3];
       setUniformValue(viewportLoc, x, y, w, h);
 
-      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE)) {
+      if (pgCurrent.getHint(ENABLE_STROKE_PERSPECTIVE) &&
+          !pgCurrent.usingOrthoProjection) {
         setUniformValue(perspectiveLoc, 1);
       } else {
         setUniformValue(perspectiveLoc, 0);