diff --git a/src/compiler/irgen.js b/src/compiler/irgen.js
index e84cbc21e5a..2a22749b345 100644
--- a/src/compiler/irgen.js
+++ b/src/compiler/irgen.js
@@ -865,14 +865,14 @@ class ScriptTreeGenerator {
             return new IntermediateStackBlock(StackOpcode.MOTION_DIRECTION_SET, {
                 direction: new IntermediateInput(InputOpcode.OP_SUBTRACT, InputType.NUMBER, {
                     left: new IntermediateInput(InputOpcode.MOTION_DIRECTION_GET, InputType.NUMBER),
-                    right: this.descendInputOfBlock(block, 'DEGREES')
+                    right: this.descendInputOfBlock(block, 'DEGREES').toType(InputType.NUMBER)
                 })
             });
         case 'motion_turnright':
             return new IntermediateStackBlock(StackOpcode.MOTION_DIRECTION_SET, {
                 direction: new IntermediateInput(InputOpcode.OP_ADD, InputType.NUMBER, {
                     left: new IntermediateInput(InputOpcode.MOTION_DIRECTION_GET, InputType.NUMBER),
-                    right: this.descendInputOfBlock(block, 'DEGREES')
+                    right: this.descendInputOfBlock(block, 'DEGREES').toType(InputType.NUMBER)
                 })
             });
 
diff --git a/test/fixtures/execute/tw-rotate-by-decimal-without-leading-zero.sb3 b/test/fixtures/execute/tw-rotate-by-decimal-without-leading-zero.sb3
new file mode 100644
index 00000000000..4b8c5e14529
Binary files /dev/null and b/test/fixtures/execute/tw-rotate-by-decimal-without-leading-zero.sb3 differ
diff --git a/test/snapshot/__snapshots__/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot b/test/snapshot/__snapshots__/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot
new file mode 100644
index 00000000000..d92f0cf7405
--- /dev/null
+++ b/test/snapshot/__snapshots__/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot
@@ -0,0 +1,17 @@
+// TW Snapshot
+// Input SHA-256: 0a7a3ee1aac2ba5b063f53b742ef992e395ee668efa9205279f93f1949e8a755
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, "e", null);
+target.setDirection(90);
+target.setDirection((target.direction + 0.25));
+target.setDirection((target.direction + 0.25));
+if ((target.direction === 90.5)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, "i", null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, "h", null);
+retire(); return;
+}; })
diff --git a/test/snapshot/__snapshots__/warp-timer/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot b/test/snapshot/__snapshots__/warp-timer/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot
new file mode 100644
index 00000000000..d92f0cf7405
--- /dev/null
+++ b/test/snapshot/__snapshots__/warp-timer/tw-rotate-by-decimal-without-leading-zero.sb3.tw-snapshot
@@ -0,0 +1,17 @@
+// TW Snapshot
+// Input SHA-256: 0a7a3ee1aac2ba5b063f53b742ef992e395ee668efa9205279f93f1949e8a755
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, "e", null);
+target.setDirection(90);
+target.setDirection((target.direction + 0.25));
+target.setDirection((target.direction + 0.25));
+if ((target.direction === 90.5)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, "i", null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, "h", null);
+retire(); return;
+}; })