diff --git a/checker/input/08-transpiler.in b/checker/input/08-transpiler.in
index 67dde8bbc6a5a82236e817e3791890d87014d7ed..38503f2384a06868793106a51dfab5e5c662cebb 100644
--- a/checker/input/08-transpiler.in
+++ b/checker/input/08-transpiler.in
@@ -1,3 +1,3 @@
 d = d * 8;
 c = c * c;
-c = c * a;
+c = c * b;
diff --git a/checker/input/09-transpiler.in b/checker/input/09-transpiler.in
index 04a4982f2f521f86fa96528cd8124050e45932e5..d0e07b087a458af941a0695d0fcc360a89bbe806 100644
--- a/checker/input/09-transpiler.in
+++ b/checker/input/09-transpiler.in
@@ -1,7 +1,7 @@
 b = b * 4;
 d = d * 7;
 c = c * 8;
-c = c * a;
+c = c * d;
 b = b * 0;
 b = b * 1;
 b = b * c;
diff --git a/checker/input/17-transpiler.in b/checker/input/17-transpiler.in
index 63fac4c3228cd5a2cbdcf90c7a45aacf1e06f3cd..47a7eb18a8e1e4376f59e6ea8b315f186aafb437 100644
--- a/checker/input/17-transpiler.in
+++ b/checker/input/17-transpiler.in
@@ -1,6 +1,6 @@
 while (d == 85) {
 	c = c * 7;
-	a = a * 9
+	a = a * 9;
 	b = b >> 27;
 	d = d - 5;
 }
diff --git a/checker/input/19-transpiler.in b/checker/input/19-transpiler.in
index 5cd54644ee302454d02b7945bf6c18d9e1a45285..246fddb99a7e2d8343f4b3a3a5636e475651d3d8 100644
--- a/checker/input/19-transpiler.in
+++ b/checker/input/19-transpiler.in
@@ -10,7 +10,7 @@ for (b = 0; b < 75; b = b + 1) {
 	d = 69;
 }
 for (b = 0; b <= 86; b = b + 1) {
-	a = a * 2
+	a = a * 2;
 }
 for (a = 0; a < 66; a = a + 1) {
 	b = b + 28;