diff --git a/tccgen.c b/tccgen.c
index c006f71..6d72ab9 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -6657,6 +6657,14 @@ static int decl0(int l, int is_for_loop_init)
         }
         while (1) { /* iterate thru each declaration */
             type = btype;
+	    /* If the base type itself was an array type of unspecified
+	       size (like in 'typedef int arr[]; arr x = {1};') then
+	       we will overwrite the unknown size by the real one for
+	       this decl.  We need to unshare the ref symbol holding
+	       that size.  */
+	    if ((type.t & VT_ARRAY) && type.ref->c < 0) {
+		type.ref = sym_push(SYM_FIELD, &type.ref->type, 0, type.ref->c);
+	    }
             type_decl(&type, &ad, &v, TYPE_DIRECT);
 #if 0
             {
diff --git a/tests/tcctest.c b/tests/tcctest.c
index 025d12d..0b894aa 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -1446,6 +1446,13 @@ struct complexinit2 cix22 = {
 	.b = { 4001, 4002, 4003, 4004, 4005, 4006 }
 };
 
+typedef int arrtype1[];
+arrtype1 sinit19 = {1};
+arrtype1 sinit20 = {2,3};
+typedef int arrtype2[3];
+arrtype2 sinit21 = {4};
+arrtype2 sinit22 = {5,6,7};
+
 void init_test(void)
 {
     int linit1 = 2;
@@ -1546,6 +1553,13 @@ void init_test(void)
 	cix[0].b[2].a, cix[0].b[2].b);
     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
+
+    printf("arrtype1: %d %d %d\n", sinit19[0], sinit20[0], sinit20[1]);
+    printf("arrtype2: %d %d\n", sizeof(sinit19), sizeof(sinit20));
+    printf("arrtype3: %d %d %d\n", sinit21[0], sinit21[1], sinit21[2]);
+    printf("arrtype4: %d %d %d\n", sinit22[0], sinit22[1], sinit22[2]);
+    printf("arrtype5: %d %d\n", sizeof(sinit21), sizeof(sinit22));
+    printf("arrtype6: %d\n", sizeof(arrtype2));
 }