diff --git a/Test/120.frag b/Test/120.frag
index f0c454ee..85fce22f 100644
--- a/Test/120.frag
+++ b/Test/120.frag
@@ -9,6 +9,9 @@ float precision;
 in vec4 i;
 out vec4 o;
 
+uniform mat4x2 m;
+
 void main()
 {
+    mat2x3 m23 = mat2x3(m);
 }
diff --git a/glslang/MachineIndependent/ParseHelper.cpp b/glslang/MachineIndependent/ParseHelper.cpp
index 38db935e..9ead5dca 100644
--- a/glslang/MachineIndependent/ParseHelper.cpp
+++ b/glslang/MachineIndependent/ParseHelper.cpp
@@ -587,8 +587,8 @@ bool TParseContext::constructorErrorCheck(int line, TIntermNode* node, TFunction
     }
 
     if (matrixInMatrix && !type->isArray()) {
-        error(line, "constructing matrix from matrix", "constructor", "(reserved)");
-        return true;
+        profileRequires(line, ENoProfile, 120, 0, "constructing matrix from matrix");
+        return false;
     }
 
     if (overFull) {