diff --git a/src/matrixMath.c b/src/matrixMath.c
index 7c1343e..4e2d0eb 100644
--- a/src/matrixMath.c
+++ b/src/matrixMath.c
@@ -130,7 +130,7 @@ void multiplyAny(GLfloat* out, GLfloat* A, GLfloat* B, int wA, int hA, int wB) {
 	for (int i = 0; i < sizeOut; i++) {
 		result[i] = 0;
 		for (int j = 0; j < wA; j++) {
-			result[i] += A[j * hA + i % hA] * B[j + i / hA * wB];
+			result[i] += A[j * hA + i % hA] * B[j + i / hA * wA];
 		}
 	}
 	memcpy(out, result, sizeOut * sizeof(GLfloat));
diff --git a/src/test.c b/src/test.c
index 79c1d36..af8dcf8 100644
--- a/src/test.c
+++ b/src/test.c
@@ -401,10 +401,10 @@ void testMultiplyAny() {
     GLfloat result[4] = {0, 0,
                          0, 0};  // 2x2 result matrix
 
-    GLfloat expectedResult[4] = {39, 54,
-                                 69, 49};
+    GLfloat expectedResult[4] = {76, 100,
+                                 103, 136};
 
-    multiplyAny(&result, &matrix1, &matrix2, 2, 3, 2);
+    multiplyAny(&result, &matrix1, &matrix2, 3, 2, 2);
 
     printTest("Multiply Any", sumDiffAny(result, expectedResult, 2, 2) < EPSILON);
 }