diff --git a/spine-c/spine-c/src/spine/IkConstraint.c b/spine-c/spine-c/src/spine/IkConstraint.c
index a917fd775..c6d7fdda8 100644
--- a/spine-c/spine-c/src/spine/IkConstraint.c
+++ b/spine-c/spine-c/src/spine/IkConstraint.c
@@ -72,7 +72,7 @@ void spIkConstraint_apply1 (spBone* bone, float targetX, float targetY, int /*bo
 	spBone* p = bone->parent;
     float pa = p->a, pb = p->b, pc = p->c, pd = p->d;
     float rotationIK = -bone->ashearX - bone->arotation;
-    float tx = 0, ty = 0, sx = 0, sy = 0, s = 0;
+    float tx = 0, ty = 0, sx = 0, sy = 0, s = 0, sa = 0, sc = 0;
 	if (!bone->appliedValid) spBone_updateAppliedTransform(bone);
 
     switch(bone->data->transformMode) {
@@ -81,11 +81,12 @@ void spIkConstraint_apply1 (spBone* bone, float targetX, float targetY, int /*bo
             ty = targetY - bone->worldY;
             break;
         case SP_TRANSFORMMODE_NOROTATIONORREFLECTION: {
-            float ps;
-            rotationIK += ATAN2(pc, pa) * RAD_DEG;
-            ps = ABS(pa * pd - pb * pc) / (pa * pa + pc * pc);
-            pb = -pc * ps;
-            pd = pa * ps;
+            s = ABS(pa * pd - pb * pc) / (pa * pa + pc * pc);
+			sa = pa / bone->skeleton->scaleX;
+			sc = pc / bone->skeleton->scaleY;
+			pb = -sc * s * bone->skeleton->scaleX;
+			pd = sa * s * bone->skeleton->scaleY;
+			rotationIK += ATAN2(sc, sa) * RAD_DEG;
         }
         default: {
             float x = targetX - p->worldX, y = targetY - p->worldY;