diff --git a/src/render/direct3d/SDL_render_d3d.c b/src/render/direct3d/SDL_render_d3d.c
index f57598bd0d..a847631dfd 100644
--- a/src/render/direct3d/SDL_render_d3d.c
+++ b/src/render/direct3d/SDL_render_d3d.c
@@ -1036,6 +1036,7 @@ D3D_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *t
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (i = 0; i < count; i++) {
         int j;
diff --git a/src/render/direct3d11/SDL_render_d3d11.c b/src/render/direct3d11/SDL_render_d3d11.c
index 436881be67..979296b6a2 100644
--- a/src/render/direct3d11/SDL_render_d3d11.c
+++ b/src/render/direct3d11/SDL_render_d3d11.c
@@ -1881,6 +1881,7 @@ D3D11_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (i = 0; i < count; i++) {
         int j;
diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m
index 48312c3e85..217ffdce4f 100644
--- a/src/render/metal/SDL_render_metal.m
+++ b/src/render/metal/SDL_render_metal.m
@@ -1333,6 +1333,7 @@ METAL_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (int i = 0; i < count; i++) {
         int j;
diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
index a8453308a6..c267267c56 100644
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -1074,6 +1074,7 @@ GL_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *te
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (i = 0; i < count; i++) {
         int j;
diff --git a/src/render/opengles/SDL_render_gles.c b/src/render/opengles/SDL_render_gles.c
index 7ffc349847..93480140ce 100644
--- a/src/render/opengles/SDL_render_gles.c
+++ b/src/render/opengles/SDL_render_gles.c
@@ -778,6 +778,7 @@ GLES_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (i = 0; i < count; i++) {
         int j;
diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
index 835da419bf..f342dc3096 100644
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -955,6 +955,7 @@ GLES2_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     for (i = 0; i < count; i++) {
         int j;
diff --git a/src/render/software/SDL_render_sw.c b/src/render/software/SDL_render_sw.c
index 233b792790..fd1c2dc55e 100644
--- a/src/render/software/SDL_render_sw.c
+++ b/src/render/software/SDL_render_sw.c
@@ -593,6 +593,7 @@ SW_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *te
     }
 
     cmd->data.draw.count = count;
+    size_indices = indices ? size_indices : 0;
 
     if (texture) {
         GeometryCopyData *ptr = (GeometryCopyData *) verts;