diff --git a/sqlite-vec.c b/sqlite-vec.c
index 7af3b6a7..48e14a0a 100644
--- a/sqlite-vec.c
+++ b/sqlite-vec.c
@@ -3151,6 +3151,9 @@ int vec0_parse_vector_column(const char *source, int source_length,
       else if (sqlite3_strnicmp(token.start, "ivf", indexNameLen) == 0) {
 #if SQLITE_VEC_EXPERIMENTAL_IVF_ENABLE
         indexType = VEC0_INDEX_TYPE_IVF;
+        if (elementType != SQLITE_VEC_ELEMENT_TYPE_FLOAT32) {
+          return SQLITE_ERROR;
+        }
         memset(&ivfConfig, 0, sizeof(ivfConfig));
         rc = vec0_parse_ivf_options(&scanner, &ivfConfig);
         if (rc != SQLITE_OK) {
diff --git a/tests/test-ivf.py b/tests/test-ivf.py
index 8b7f566b..00f25e99 100644
--- a/tests/test-ivf.py
+++ b/tests/test-ivf.py
@@ -100,6 +100,16 @@ def test_ivf_create_error_nprobe_gt_nlist(db):
     assert "error" in result
 
 
+@pytest.mark.parametrize("column", ["v int8[8]", "v bit[8]"])
+def test_ivf_create_error_non_float32_column(db, column):
+    """IVF cells, centroids and quantizers hold float32 vectors."""
+    result = exec(
+        db,
+        f"CREATE VIRTUAL TABLE t USING vec0({column} indexed by ivf(nlist=2))",
+    )
+    assert "error" in result
+
+
 # ============================================================================
 # Shadow table tests
 # ============================================================================