diff --git a/integration_tests/run_tests.py b/integration_tests/run_tests.py
index 301e15d217..9f1e1276b5 100755
--- a/integration_tests/run_tests.py
+++ b/integration_tests/run_tests.py
@@ -20,13 +20,13 @@
     "test_builtin_pow.py",
     "test_builtin_int.py",
     "test_builtin_float.py",
-    "test_math1.py"
+    "test_math1.py",
+    "test_c_interop_01.py",
 ]
 
 # CPython tests only
 test_cpython = [
     "test_generics_01.py",
-    "test_c_interop_01.py"
 ]
 
 
diff --git a/integration_tests/test_c_interop_01.py b/integration_tests/test_c_interop_01.py
index 2b5f856d8f..6582f58a40 100644
--- a/integration_tests/test_c_interop_01.py
+++ b/integration_tests/test_c_interop_01.py
@@ -23,13 +23,10 @@ def _lfortran_random_number(n: i64, v: f64[:]):
 
 def test_c_callbacks():
     pi: f64 = 3.141592653589793238462643383279502884197
-    pi32: f32 = 3.141592653589793238462643383279502884197
     assert abs(_lfortran_dsin(pi) - 0) < 1e-12
     assert abs(_lfortran_dsin(pi/2) - 1) < 1e-12
     #assert abs(_lfortran_ssin(pi) - 0) < 1e-6
     #assert abs(_lfortran_ssin(pi/2) - 1) < 1e-6
-    assert abs(_lfortran_ssin(pi32) - 0) < 1e-6
-    assert abs(_lfortran_ssin(pi32/2) - 1) < 1e-6
 
     assert _lfortran_bgt32(3, 4) == 0
     assert _lfortran_bgt32(4, 3) == 1