diff --git a/tgt-vvp/eval_string.c b/tgt-vvp/eval_string.c
index f0e631324..92d702058 100644
--- a/tgt-vvp/eval_string.c
+++ b/tgt-vvp/eval_string.c
@@ -23,11 +23,8 @@
 
 static void fallback_eval(ivl_expr_t expr)
 {
-      struct vector_info res = draw_eval_expr(expr, 0);
-      fprintf(vvp_out, "    %%pushv/str %u, %u; Cast BOOL/LOGIC to string\n",
-	      res.base, res.wid);
-      if (res.base > 0)
-	    clr_vector(res);
+      draw_eval_vec4(expr);
+      fprintf(vvp_out, "    %%pushv/str; Cast BOOL/LOGIC to string\n");
 }
 
 static void string_ex_concat(ivl_expr_t expr)
diff --git a/vvp/compile.cc b/vvp/compile.cc
index b16bee158..fd38da18a 100644
--- a/vvp/compile.cc
+++ b/vvp/compile.cc
@@ -241,7 +241,7 @@ static const struct opcode_table_s opcode_table[] = {
       { "%pushi/real",of_PUSHI_REAL,2,{OA_BIT1,   OA_BIT2,   OA_NONE} },
       { "%pushi/str", of_PUSHI_STR, 1,{OA_STRING, OA_NONE,   OA_NONE} },
       { "%pushi/vec4",of_PUSHI_VEC4,3,{OA_BIT1,   OA_BIT2,   OA_NUMBER} },
-      { "%pushv/str", of_PUSHV_STR, 2, {OA_BIT1,OA_BIT2,     OA_NONE} },
+      { "%pushv/str", of_PUSHV_STR, 0,{OA_NONE,   OA_NONE,   OA_NONE} },
       { "%putc/str/vec4",of_PUTC_STR_VEC4,2,{OA_FUNC_PTR,OA_BIT1,OA_NONE} },
       { "%qpop/b/str",of_QPOP_B_STR,1,{OA_FUNC_PTR,OA_NONE,  OA_NONE} },
       { "%qpop/b/v",  of_QPOP_B_V,  1,{OA_FUNC_PTR,OA_NONE,  OA_BIT2} },
diff --git a/vvp/opcodes.txt b/vvp/opcodes.txt
index 8596b129c..c7c71a619 100644
--- a/vvp/opcodes.txt
+++ b/vvp/opcodes.txt
@@ -1091,9 +1091,11 @@ possible logic values are:
 
 This opcode is limited to 32bit numbers.
 
-* %pushv/str <src>, <wid>
+* %pushv/str
 
-Convert a vector to a string and push the string to the string stack.
+Convert a vector to a string and push the string to the string
+stack. The single argument is popped from the vec4 stack and the
+result pushed to the string stack.
 
 * %putc/str/v <functor-label>, <muxr>
 
diff --git a/vvp/vthread.cc b/vvp/vthread.cc
index 4f06bb7a3..188b95a91 100644
--- a/vvp/vthread.cc
+++ b/vvp/vthread.cc
@@ -5385,13 +5385,14 @@ bool of_PUSHI_VEC4(vthread_t thr, vvp_code_t cp)
       return true;
 }
 
-bool of_PUSHV_STR(vthread_t thr, vvp_code_t cp)
+/*
+ * %pushv/str
+ *   Pops a vec4 value, and pushes a string.
+ */
+bool of_PUSHV_STR(vthread_t thr, vvp_code_t)
 {
-#if 0
-      unsigned src = cp->bit_idx[0];
-      unsigned wid = cp->bit_idx[1];
+      vvp_vector4_t vec = thr->pop_vec4();
 
-      vvp_vector4_t vec = vthread_bits_to_vector(thr, src, wid);
       size_t slen = (vec.size() + 7)/8;
       vector<char>buf;
       buf.reserve(slen);
@@ -5418,9 +5419,7 @@ bool of_PUSHV_STR(vthread_t thr, vvp_code_t cp)
       }
 
       thr->push_str(val);
-#else
-      fprintf(stderr, "XXXX NOT IMPLEMENTED: %%push/str ...\n");
-#endif
+
       return true;
 }