diff --git a/dlls/winmm/tests/generated.c b/dlls/winmm/tests/generated.c
index 4c0fe7a5303..78051c628db 100644
--- a/dlls/winmm/tests/generated.c
+++ b/dlls/winmm/tests/generated.c
@@ -814,6 +814,28 @@ static void test_pack_MIXERCONTROLW(void)
     TEST_FIELD_OFFSET(MIXERCONTROLW, cMultipleItems, 16)
 }
 
+static void test_pack_MIXERLINECONTROLSA(void)
+{
+    /* MIXERLINECONTROLSA (pack 1) */
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSA, cbStruct, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSA, cbStruct, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSA, cbStruct, 0)
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSA, dwLineID, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSA, dwLineID, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSA, dwLineID, 4)
+}
+
+static void test_pack_MIXERLINECONTROLSW(void)
+{
+    /* MIXERLINECONTROLSW (pack 1) */
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSW, cbStruct, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSW, cbStruct, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSW, cbStruct, 0)
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSW, dwLineID, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSW, dwLineID, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSW, dwLineID, 4)
+}
+
 static void test_pack_MIXERCONTROLDETAILS(void)
 {
     /* MIXERCONTROLDETAILS (pack 1) */
@@ -3219,6 +3241,28 @@ static void test_pack_MIXERCONTROLW(void)
     TEST_FIELD_OFFSET(MIXERCONTROLW, cMultipleItems, 16)
 }
 
+static void test_pack_MIXERLINECONTROLSA(void)
+{
+    /* MIXERLINECONTROLSA (pack 1) */
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSA, cbStruct, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSA, cbStruct, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSA, cbStruct, 0)
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSA, dwLineID, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSA, dwLineID, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSA, dwLineID, 4)
+}
+
+static void test_pack_MIXERLINECONTROLSW(void)
+{
+    /* MIXERLINECONTROLSW (pack 1) */
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSW, cbStruct, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSW, cbStruct, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSW, cbStruct, 0)
+    TEST_FIELD_SIZE  (MIXERLINECONTROLSW, dwLineID, 4)
+    TEST_FIELD_ALIGN (MIXERLINECONTROLSW, dwLineID, 1)
+    TEST_FIELD_OFFSET(MIXERLINECONTROLSW, dwLineID, 4)
+}
+
 static void test_pack_MIXERCONTROLDETAILS(void)
 {
     /* MIXERCONTROLDETAILS (pack 1) */
@@ -5001,6 +5045,8 @@ static void test_pack(void)
     test_pack_MIXERCONTROLDETAILS_UNSIGNED();
     test_pack_MIXERCONTROLW();
     test_pack_MIXERLINEA();
+    test_pack_MIXERLINECONTROLSA();
+    test_pack_MIXERLINECONTROLSW();
     test_pack_MIXERLINEW();
     test_pack_MMCKINFO();
     test_pack_MMIOINFO();
diff --git a/tools/winapi/tests.dat b/tools/winapi/tests.dat
index 48813393fc8..0e35110f202 100644
--- a/tools/winapi/tests.dat
+++ b/tools/winapi/tests.dat
@@ -1797,8 +1797,8 @@ MIXERLINEA
 MIXERLINEW
 MIXERCONTROLA
 MIXERCONTROLW
-MIXERLINECONTROLA
-MIXERLINECONTROLW
+MIXERLINECONTROLSA
+MIXERLINECONTROLSW
 MIXERCONTROLDETAILS
 MIXERCONTROLDETAILS_LISTTEXTA
 MIXERCONTROLDETAILS_LISTTEXTW