diff --git a/techlibs/nanoxplore/brams.txt b/techlibs/nanoxplore/brams.txt
index 6098ee72ec6..046f54c2340 100644
--- a/techlibs/nanoxplore/brams.txt
+++ b/techlibs/nanoxplore/brams.txt
@@ -9,18 +9,22 @@ ram block $__NX_RAM_ {
 		abits 14;
 		widths 2 per_port;
 	}
-	option "STD_MODE" "NOECC_16kx3" {
-		abits 14;
-		widths 3 per_port;
+	ifdef IS_NG_LARGE {
+		option "STD_MODE" "NOECC_16kx3" {
+			abits 14;
+			widths 3 per_port;
+		}
 	}
 	option "STD_MODE" "NOECC_12kx4" {
 		# only 8k used
 		abits 13;
 		widths 4 per_port;
 	}
-	option "STD_MODE" "NOECC_8kx6" {
-		abits 13;
-		widths 6 per_port;
+	ifdef IS_NG_LARGE {
+		option "STD_MODE" "NOECC_8kx6" {
+			abits 13;
+			widths 6 per_port;
+		}
 	}
 	option "STD_MODE" "NOECC_6kx8" {
 		# only 4k used
diff --git a/techlibs/nanoxplore/synth_nanoxplore.cc b/techlibs/nanoxplore/synth_nanoxplore.cc
index babc9139144..2d80a418910 100644
--- a/techlibs/nanoxplore/synth_nanoxplore.cc
+++ b/techlibs/nanoxplore/synth_nanoxplore.cc
@@ -264,6 +264,8 @@ struct SynthNanoXplorePass : public ScriptPass
 		if (check_label("map_ram"))
 		{
 			std::string args = "";
+			if (family == "large")
+				args += " -D IS_NG_LARGE";
 			if (nobram)
 				args += " -no-auto-block";
 			if (norfram)