diff --git a/Makefile.psp1 b/Makefile.psp1
index 03c8398b6d..12eb7a5f0d 100644
--- a/Makefile.psp1
+++ b/Makefile.psp1
@@ -1,4 +1,5 @@
 RARCH_VERSION		= "0.9.9.3"
+BUILD_PRX = 1
 
 HAVE_FILE_LOGGER	= 1
 
diff --git a/gfx/gfx_common.c b/gfx/gfx_common.c
index 7e68ba7d98..425b6de965 100644
--- a/gfx/gfx_common.c
+++ b/gfx/gfx_common.c
@@ -251,7 +251,12 @@ void gfx_set_config_viewport(void)
       if (geom->aspect_ratio > 0.0f && g_settings.video.aspect_ratio_auto)
          aspectratio_lut[ASPECT_RATIO_CONFIG].value = geom->aspect_ratio;
       else
+#ifdef PSP
+         // Get around division by zero error
+         aspectratio_lut[ASPECT_RATIO_CONFIG].value = 1.0f; // 1:1 PAR.
+#else
          aspectratio_lut[ASPECT_RATIO_CONFIG].value = (float)geom->base_width / geom->base_height; // 1:1 PAR.
+#endif
    }
    else
       aspectratio_lut[ASPECT_RATIO_CONFIG].value = g_settings.video.aspect_ratio;