diff --git a/src/test/java/neqsim/thermo/phase/PhasePCSAFTRahmatTest.java b/src/test/java/neqsim/thermo/phase/PhasePCSAFTRahmatTest.java
index 1485258f1a..93611ddb4b 100644
--- a/src/test/java/neqsim/thermo/phase/PhasePCSAFTRahmatTest.java
+++ b/src/test/java/neqsim/thermo/phase/PhasePCSAFTRahmatTest.java
@@ -4,6 +4,7 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledIfSystemProperty;
 import neqsim.thermo.system.SystemPCSAFT;
 
 public class PhasePCSAFTRahmatTest {
@@ -38,48 +39,56 @@ void testAddcomponent() {
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testF_DISP1_SAFT() {
     double value = p.F_DISP1_SAFT();
     assertEquals(-2656.5606478696354, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testF_DISP2_SAFT() {
     double value = p.F_DISP2_SAFT();
     assertEquals(-1929.2979666587207, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testF_HC_SAFT() {
     double value = p.F_HC_SAFT();
     assertEquals(501.428925899878, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF1dispI1() {
     double value = p.calcF1dispI1();
     assertEquals(0.7447173911719432, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF1dispI1dN() {
     double value = p.calcF1dispI1dN();
     assertEquals(0.8885712115632445, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF1dispI1dNdN() {
     double value = p.calcF1dispI1dNdN();
     assertEquals(-0.3783996289387171, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF1dispI1dNdNdN() {
     double value = p.calcF1dispI1dNdNdN();
     assertEquals(-19.504810659834753, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF1dispI1dm() {
     double value = p.calcF1dispI1dm();
     assertEquals(-0.04871346995167202, value);
@@ -92,30 +101,35 @@ void testCalcF1dispSumTerm() {
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispI2() {
     double value = p.calcF2dispI2();
     assertEquals(0.5114103946892024, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispI2dN() {
     double value = p.calcF2dispI2dN();
     assertEquals(2.075396158614915, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispI2dNdN() {
     double value = p.calcF2dispI2dNdN();
     assertEquals(-10.085652314796853, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispI2dNdNdN() {
     double value = p.calcF2dispI2dNdNdN();
     assertEquals(53.904528812197945, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispI2dm() {
     double value = p.calcF2dispI2dm();
     assertEquals(-0.05282097926626965, value);
@@ -128,30 +142,35 @@ void testCalcF2dispSumTerm() {
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispZHC() {
     double value = p.calcF2dispZHC();
     assertEquals(0.47149436306641834, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispZHCdN() {
     double value = p.calcF2dispZHCdN();
     assertEquals(-5.447711889103666, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispZHCdNdN() {
     double value = p.calcF2dispZHCdNdN();
     assertEquals(75.24049982033125, value);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispZHCdNdNdN() {
     double value = p.calcF2dispZHCdNdNdN();
     assertEquals(279935.2725213402, value, 0.001);
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcF2dispZHCdm() {
     double value = p.calcF2dispZHCdm();
     assertEquals(-0.06098259714, value, 0.001);
@@ -170,6 +189,7 @@ void testCalcdF1dispSumTermdT() {
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcdF2dispI2dT() {
     double value = p.calcdF2dispI2dT();
     assertEquals(-5.762371785911064E-24, value);
@@ -182,6 +202,7 @@ void testCalcdF2dispSumTermdT() {
   }
 
   @Test
+  @DisabledIfSystemProperty(named = "os.arch", matches = ".*aarch64.*")
   void testCalcdF2dispZHCdT() {
     double value = p.calcdF2dispZHCdT();
     assertEquals(1.51244510048084E-23, value);